What is the value of "a" 2a-3+3a+1+2a if the answer is 47?

16 more than the product of 5 and p

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Ahousekeeper mixed 5 gallons of blue paint with every 9 gallon of yellow paint in order to make a green paint which ratio of gallon of blue paint to gallon of yellow paint will make the same shade of green paint