3. Ben estimates that he can do 12 math problems in 45 minutes. How long

should it take him to do 20 math problems?

120% of a number is 45. find the number

If the length of side a is 12 centimeters, m_B = 36°, and m2C = 75°, what is the length of side b? Round your response to two decimal places.

A number is chosen at random from the first 100 positive Integers. Find the probability that the number is divisible by 5.

sam places £3850 in a bank account that pays 1.3% simple interest per year. How much interest will she earn in 6 years?

12,108 round to the nearest hundred

Children of age 3-6 years require 25% less sleep per day than infants, who need 16hours. How much slee do the 3-6 year olds need?

An animal shelter houses only dogs and cats. The ratio of cats to dogs at the shelter is 11:9. What is the ratio of the number of dogs to the total number of animals at the shelter?

Find three consecutive intergers such that three times the third is 102 more than the sum of the first and second.

Using the formula A=l•w solve the following word problem. You have enough wallpaper to cover 240 square feet. If your walls are 8 feet high, what wall length can you paper? a. Wall length of 40 feet b. Wall length of 30 feet c.

How to write the number 55 in another way