Basic functions - math problems
Number of problems found: 2597
- A rectangle 8
A rectangle measuring 6 cm and 4 cm is enlarged by the ratio 3:1. What is the area of the enlarged rectangle?
- White balls
I have 3 white balls and 5 red balls in my pocket. How many least balls do I have to remove from the bag to make sure that the pulled out ball is definitely red?
- Change per hour
On Sunday, the temperature was 63 degrees at 2 pm. The temperature was then 72 degrees at 5 pm. What is the rate of change per hour?
- Write 4
Write each ratio as a fraction of whole numbers: a 4.8 to 11.2 6) 2.7 to 0.54
Rajendra a farmer had two sons and two daughters. He decided to divide his property among his sons and daughters. So he wrote a "WILL" about distribution of his property. According to his "WILL", he desired to give 3/5 th of the property to his sons in eq
- A korean
A korean mart sells banana milk, strawberry milk, and melon milk. 65% of the milks sold is banana and 14% is strawberry. What percentage is melon milk?
- Gas price
If a cm3 of gas costs rm 1.50, how many cents would a liter of gas cost? 1 rm = 1 Malaysian Ringgit = 100 Malaysian Ringgit cents = equals 0.21 Euro in 2021/Q3
- Oil crisis
A car runs 16 km using 1 litre of petrol. How much distance will it cover using 2 3/4 litres of petrol?
- If Jada
If Jada read 75 pages in four hours how long would it take her to read it 250 pages?
Nicolas and his father can repair one desk in 1/3 hour. How many desks can they repair in 3 hours?
- Sharing money
A certain sum of money is shared in the ratio 2 :3:9. If the difference between the first and the second is $40, then the amount of money shared is
- A sum
A sum of money is shared between Peter, John and Henry in the ratio 2:3:5. a) express Henry's share as fraction of John's share. b) what fraction of the whole sum of money is John's share?
- Apple collecting
Luke, Peter and Tibor compared how many kilograms of apples they had collected. They found that the arithmetic mean of what Luke and Peter collected was 10 kg larger than Tibor's contribution, and the arithmetic mean of what Luke and Tibor collected was 3
- Lcm = 22 + gcd
The least common multiple of two numbers is 22 more than their greatest common divisor. Find these numbers.
- Gas prices 2021
According to the SPP price list in 2021, the price of natural gas together with its supply is as follows: D1 - we cook. Fix 3.34 euros/month and 0.0479 euros/kWh (1 cubic meter of gas is approximately 10.555 kWh. It is called combustion heat and changes o
- Wall builders
If 12 men can build a wall 398 metres long in 48 days, how long would it take 33 men to build a wall 347 metres long? Answer to 3 decimal places.
- Decimal to percentages
A) What is 1.18 as a percent? B) What is 0.38 in percent notation? C) Write 65% as a fraction. Simplify.
- In 2011
In 2011, assuming about 61.3% of the households in Colorado owned pets. Find the decimal notation for 61.3%.
Insert five numbers between 8 and 27 such numbers that, with two given ones, they form the first seven members of the geometric sequence.
- In the
In the arithmetic sequence a1 = 4.8, d = 0.4. How many consecutive members, starting with the first, need to be added so that the sum is greater than 170?