I only have a few minutes someone please help

Question and answers are in the attached picture. you so much in advance.

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

At 6 1/2 cents per pound of string beans how much does 7 pounds cost