Acarton of eggs weighs 1.3 pounds how much would 3.4 cartons weigh

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

Taylor wants to paint his rectangular deck that is 41 feet long and 24 feet wide. a gallon of paint covers about 350 square feet. how many gallons of paint will taylor need to cover the entire deck? round your answers to two decimal places when necessary.

I’m still confused on how to work the percentages