4 shovels of sand are used for every 5 shovels of gravel in making cement. how many shovels of gravel are needed for 64 shovels of sand?

A florist os making flower arrangements for a party. He uses purple and white flowers in ratio of 3 purple flowers to 1 white flower. How many flowers will he need in order to make 30 identical arrangements?

zing Student Work A human head weighs 160 ounces. What is that weight in kilograms? Analyze the work below.

How to solve for 6x-12+2x=3+8x-15

Find the total area of the rectangular prism whose base is 3 feet by 2 feet, and is 5 feet high

Multiply. (2x+3) (2x^2-6x+7)

Solve each expression record in standard form 4tens plus 6tens 8hundreds plus 2hundreds 5thousands plus 7thousands

What is? 6 (2x-5) = - (x+4)

Explain why it does not matter what letter or aymbolis used to find an unknown number

If a cylinder has the same height and diameter as the cone above what is the volume of that cylinder?

A scale drawing of a house uses a scale of 0.5 inches = 2 feet. What is the length, in inches, of a line on the scale drawing that represent an actual length of 5 feet?