What addition doubles fact can you find 4+3 explain how you know

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.