Students are selling grapefruits and nuts for a fundraiser. the grapefruits cost $1 each
and a bag of nuts cost $10 each. they sold 100 items and made $307. how many
grapefruits did they sell?

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

When you answer this can you explain