Question

Sam can prepare 30 wall paintings in four weeks.How much time will he need to do 90 wall painting s​

Answer 1

sam needs 12 weeks.

explanation: if he can do 30 paintings in 4 weeks then find out if 30 can go into 90. since it can when you multiply it by 3, then also multiply 4 by 3 since he needs 3 times more than the original amount. in total, he will need 12 weeks