Sally would have to put 7.5 gallons of in her tank every three days that she drives to and from work only. how many gallons of gas would she use in a five day work week?

In the surface area formula for cylinders which expressionrepresents the lateral area

I'm at a bookstore with $\$35$ in my pocket and a $20\%$-off coupon. what is the cost of the most expensive book i can buy with my money and the coupon? (assume that there are books of every possible price in the bookstore. it's a large bookstore! )

Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?