Which of these is the algebraic expression for "3 times the sum of 2 and y? "

3(2 + y)
3 ⋅ 2 + y
2 + 3 ⋅ y
2(3 + y)

best answer gets

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! )