Basic functions - practice problems

Number of problems found: 4634

Thabo
Thabo uses 3 ½ liters of petrol per week for his motorcycle. How long will he be driving with 49 liters?
Car uses
The car uses 91 liters of petrol to travel 700km. Determine the rate in liter per 100km.
Sipho
Sipho and John got the same amount of work, Sipho did 19/34 of his homework, and John did 23/41 of his homework. What percentage of his homework did John do, and what percentage of his homework did Sipho not do?
Carbohydrates
Suppose five pieces of candy contain 11 grams of carbohydrates. How many grams of carbohydrates do 20 pieces contain?
Erica’s
Erica’s bank account increased from $1,200.00 to $1,500.00. By what percent did the amount of money in her bank account increase?
Garden tree
Anna is drawing a picture of her Garden. A tree is 9 meters high, and she draws it as 13.5 cm tall in her drawing. If a flowering plant is 40 cm high in reality, how will Anna have to draw it to keep the proportion correct?
Markup 2
A store manager paid $74 for an item and set the selling price at $102.86. What was the percent markup?
The population
The population of a city increased from 977,760 in 1995 to 1,396,714 in 2005. What is the percentage of increase? Round your answer to the nearest tenth of a percent.
There 24
There are 120 jellybeans in a bag. Sixty-three are orange, and the rest are red. In its simplest form, what is the ratio of orange jellybeans to red jellybeans?
School
There are 500 students in the school. 60% of them are boys, and the rest are girls. What is the percentage of girls? Also, find the total number of boys and girls in the school.
Commission rate 2
Peterson sold a house and lot worth Php 2,000,000.00. If the owner gave him Php 110,000.00 as commission, what is the commission rate?
Percentage 74844
The bar contains 12 grams of sugar per 50 grams. What percentage of sugar does the bar have?
Mac worked
Mac worked for 8 hours and earned 897.6 pesos. How much will he earn if he works for 6.5 hours a day for a week?
Pamela 2
Pamela drove her car 99 kilometers and used 9 liters of fuel. She wants to know how many kilometers (k) she can drive with 12 liters of fuel. She assumes the relationship between kilometers and fuel is proportional. How many kilometers can Pamela drive wi
Play the flute
There are 100 members 12 play the flute. What % that plays the flute?
Spirulina 74164
Spirulina seaweed contains 55% protein per 100 grams, i.e., 55 grams of protein. How many grams of protein are in 200 grams of spirulina?
Mackie's
Mackie's income varies directly from the number of days that she works. If she earns 8000 pesos in 20 days, how much will she earn if she works three times as long?
Expensive 73424
The jacket cost 250 euros and became more expensive by 20% by 250 euros. What is the price after the price increase?
What amount
What amount of money will be required to repay a loan of $30000 on June 1, 2008? If the loan was made on September 1, 2001, at the interest rate of 14% compounded quarterly.
Connected 73184
The tractor driver connected two seed drills behind the tractor and sowed 7 ha of grain in 5 hours. How many hectares did he plant in 8 hours the next day if he connected three seed drills?

Do you have homework that you can't solve? Ask a question, and we try to solve it.