How much pure acid should be mixed with 6 gallons of a 20% acid solution in order to get a 40% acid solution

A boat can hold 45 people. 27more people can fit on the boat. how many people are on the boat now?

Three times a number is subtracted from another number and the difference is 3. The sum of the two numbers is 31. What is the smaller of the two numbers?

Write the rules for determining the sign of the product when multiplying integers. Then, write the the rules for determining the sign of the quotient when diving integers.

A full glass of water cam hold 1/6 of a bottle How many glasses of water can be filled with 3 1/3 bottles of water

Explain why you cannot complete this equation using only + 1s and - 1s (+1) + _+_+_ = (+1)

A fishing tackle box is 13 in long, 6 in wide, and 2 1/2 in high. what is the volume of the tackle box?

What words math the expression 3 + (4x12)

How do you turn - 0.2 into a fraction

Robert planted 24 daffodil bulbs and 36 tulip bulbs in his garden last winter. If all the bulbs sprout and bloom this spring, what will be the ratio of tulips to daffodils in Robert's garden? Express as a simplified ratio.

F (x) = (x + 2) (x - 6) f (x) = (x - 4) (x+3) f (x) = (x - 12) (x+1) f (x) = (x - 3) (x + 4)