What are numbers that are easy to divide mentally called?

Shaunda said that buying 4 towels for $17nwas better buy than buying 2 towels for $9. She found her answer by doubling the terms in the ratio 9:2 and comparing the first term in the ratios. is she correct? Use unit prices to support your answer.

The weight of 100 identical samples of a substance is 0.01 pound. What is the weight of 10,000 samples?

Jack has written the name of each planet of the solar system on a separate piece of paper and has placed all these pieces of paper in a bag. The names he included are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.

Calculate using any strategy. what is the answer of 47% of 88?

Which statement is true? 15 is between 3 and. 3 is between 5 and is between 5 and 3. 5 is greater than both 3 and

In a sale, Richard bought a TV for £300. The original price of the TV was £380. What was the percentage discount on the TV?

What is the simplest form of √3025 16 55 5^2 (11^2) 5^2 + (11^2)

Rhonda filled her aquarium with water. Then, she took out 3 gallons to make room for the gravel and fish. She added 2 quarts back in. Then, she added 4 fish. Each fish was in a separate bag with 1 pint of water.

Which pair of ratios can from a true proportion A. 7/4,21/12 B. 6/3, 5/6 C. 7/10, 6/7 D. 3/5, 7/12

Brett fills up his car at a gas station selling gas for $2.10 per gallon. It takes 6 1/2 gallons of gas to fill up the car. How much does Brett spend on gas?