1. Soft drinks are on sale at the grocery store for $2.99 for a twelve pack. How much would each can of soft drink cost if purchased individually ?

I think the answer is 25 cents each, but i am not sure.someone please help.

2. Tom, Bill, Susan, and Sandy went bowling. Tom's score was 132, Bill's score was 140, Susan scored 145 and Sandy's score was 128. What was the average score of all four bowlers ?

I think the answer is 550, but i am not sure.

3. Robert bought a used automobile for 1,500.00. If the sales tax is 5%, what would be the total that Robert had to pay for the automobile ?

I am not sure of answer at all.