Need refreshing on fractions 1/2:3/4

Calculate the length of the circumference of a circle with diameter 6.2cm use pi = 3

Koka buys three dozen Japanese andagi (deep-fried doughnuts). Each dozen costs $7.29. On average, how much money did Koka pay for each doughnut? Round to the nearest cent.

Find x in ecuation 4x+30=40

Divisibility rules for 100

the car rental company charges $36 per day plus $0.50 per mile over 100 miles. Write an expression for how much it will cost to rent the car

Keenan gives tisha half of his strawberries. tisha keeps 4 of the strawberries she got from keenan and gives the rest to suvi. write an expression for the number of strawberries tisha gives to suvi

How many one-fifths pieces of pizza are in 5 pizzas

Mr. Peter has 80 sheets of colored paper. Seven of his students need the paper for a project. How many sheet does each student get? How many sheet are left over?

There are 8 students on a minibus. 5 students are boys. What is the fraction of students?

If he have 275000 available in 6 years how much does he need to invest now in a cd paying 5.65% interest compounded monthly