The bag of cement mix says to use 1 part mix and 4 parts water. jamin needs 10 gallons of cement. how many gallons of water should he use?

The answer is 40 because 10 times for is forty.

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.