Question

Toby needs to bike 3 miles a day. He rides 1 5/8 miles to school, then 1/2 to the store. how many more miles does Toby need to ride to get 3 miles. Do I Add or multiply. Help
Ms. Sue
Add the amount he rides. Then subtract that sum from 3.

Anonymous
Mia rides her bike 15 1/4 miles every day. How many miles does Mia ride in 4 days