Toya can run one lap of the track in 1 min. 3 sec., which is 90% of her younger sister niki's time. what is niki's time for one lap?

A crew of highway workers paved 1/3 mile in 1/4 of an hour. If they work at the same rate, how much will they pave in one hour?

What is the answer to 1/8 * 1/2

How are improper fractions and mixed numbers alike and different?

What is the answer to 10lb 6oz - 7lb 11oz

Collin is building a deck on the back of his house. He has enough lumber for the deck to be 144 square feet. The length should be 10 feet more than its width. What should the dimensions of the deck be?

2x+3y=23 3x-y=7 Solve for x

Debbie ate 1/8 of a large brownie. Julian ate 1/2 of a small brownie. Julian says, "I ate more brownies than you because 1/2>1/8

Write a verbal expression for 3m-8n/13

Brian read 2/15 of his novel in 20 minutes. If he reads at the same rate, what portion of his novel can he read in one hour?

7,279.21 the 2 in the hundredth place is blank the value of the 2 in the tenth place