Gasoline price 2

During the COVID-19 pandemic new gasoline price shceme is given by Marilou's Gas Station to help our drivers. On their purchase, the first 4 liters cost Php120.00, while the succeeding 1 1/2 liters would cost Php10.00 more than the cost of a liter. If john bought 17 1/2 liters, how much should he pay?

Correct answer:

x =  660 Php

Step-by-step explanation:

$$\begin{gathered} V_1=4\text{ l } \\ {c}_1=120.00\mathrm{/}{V}_1=120.00\mathrm{/}4=30\text{ Php/l } \\ {c}_2=c_1+10=30+10=40\text{ Php/l } \\ V=17{\displaystyle \frac{1}{2}}=17+{\displaystyle \frac{1}{2}}={\displaystyle \frac{17\cdot 2+1}{2}}={\displaystyle \frac{35}{2}}=17.5\text{ l } \\ {V}_2=V-V_1=17.5-4={\displaystyle \frac{27}{2}}=13.5\text{ l } \\ x=V_1\cdot c_1+V_2\cdot c_2=4\cdot 30+13.5\cdot 40=660\text{ Php} \end{gathered}$$

Try another example

Showing 1 comment:

Dr Math

vznasi se napr. ve olivovej oleji... v benzine klesa (700 kg/m³) .... a ve vode stoupa (hustota 1000 kg/m³)

Vynatek ze tabulek (latka a hustota v kg/m³):
Benzín 680 - 780
Olej minerální 850 - 960
Petrolej 790 - 830
Benzol 880
Olej olivový 920
Voda 4°C 1000
Dehet černouhelný 1200
Olej parafínový 900 - 930
Glycerin 1260
Olej ricinový 970
Voda mořská 4°C 1030
Nafta 760
Olej řepkový 910 - 920

10 months ago  Like

Related math problems and questions:

• Annual income
  The annual income (in thousands of $) of fifteen families is 60, 80, 90, 96, 120, 150, 200, 360, 480, 520, 1060, 1200, 1450, 2500, 7200. Calculate the harmonic and geometric mean.
• Remainders
  It is given a set of numbers { 170; 244; 299; 333; 351; 391; 423; 644 }. Divide this numbers by number 66 and determine set of remainders. As result write sum of this remainders.
• Concert
  On a Concert were sold 150 tickets for CZK 360, 235 tickets for 240 CZK and 412 for 180 CZK. How much was the total revenues for tickets?
• Chess
  How many ways can select 4 fields on a classic chessboard with 64 fields so that fields don't have the same color?
• Bonbons
  Create a mixture of 50 kg of candy on price 700Kč. Candies has prices: 820Kč, 660Kč and 580Kč. Use cross rule.
• Four prisms
  Question No. 1: The prism has the dimensions a = 2.5 cm, b = 100 mm, c = 12 cm. What is its volume? a) 3000 cm² b) 300 cm² c) 3000 cm³ d) 300 cm³ Question No.2: The prism base is a rhombus with a side length of 30 cm and a height of 27 cm. The height of t
• City market
  Apples were sold at contractual prices at the city market. Calculate the average price of 1 kg of apples sold: Stand, Sale kg, Price CZK/kg 1 325 6.20 2 194 7.00 3 258 6.50 4 870 5.90 5 275 6.40
• The bookkeeper
  The bookkeeper bought 45 copies of fairy tale books for CZK 120 and 65 copies of the encyclopedia for CZK 325. then he sold it in his shop like this: fairy tales for 135 CZK and encyclopedias for 360 CZK. What was the purchase price of the books? And the
• Dried fruit
  The manufacturer produces a mixture of dried fruit. He purchased: 10kg pineapple for 200 Kc/kg 2kg papaya for 180 kc/kg 1kg of banana for 400 Kc/kg How many kgs of raisin for 80 Kc/kg must be put into the mix by the manufacturer so that the production pri
• Manufacturing company
  A random sample of 8 manufacturing companies is selected from a population of manufacturing companies. The market values (in millions of rands) of these eight manufacturing companies are: 17 65 117 206 172 181 221 94 What is the lowest and highest market
• I think number
  I think number.When I add 841 to it and subtract 157, I get a number that is 22 greater than 996. What number I thinking?
• RWY
  Calculate the opposite direction of the runway 13. Runways are named by a number between 01 and 36, which is generally one tenth of the azimuth of the runway's heading in degrees: a runway numbered 09 points east (90°), runway 18 is south (180°), runway 2
• Statistics
  The sum of all deviations from the arithmetic mean of the numerical sequence 4, 6, 51, 77, 90, 93, 95, 109, 113, 117 is:
• Bonbons 2
  Kilo sweets will cost 260 CZK. The first type has a price per 320 kg, the second type 240 CZK per kg. How many kilos of both kinds of sweets need to prepare a 35 kg mixture ?
• A book
  A book contains 524 pages. If it is known that a person will select any one page between the pages numbered 125 and 384, find the probability of choosing the page numbered 252 or 253.
• Basic form
  Expressed the ratios of values in the basic form: 0,5 t : 1,2 kg 200 l : 0,15 m³ 12 t : 3600 kg 500 kg : 2,5 t 0,9 kg : 500 g 3,6 m : 240 cm 1200 mm : 2,4 m 300 l : 0,3 m³ 6 min 30 s : 900 s
• Potatoes
  Could 446 tons of potatoes (ρ = 771 kg/m³) fit in a warehouse with a volume of 699 m³?