Plzz help me guyss.plzzz.​

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)