Question

shawna does her math homework every night. last night, shawna spent 45 minutes solving 15 math problems. tonight, she needs to solve 10 math problems. if she does them at the same rate, how many minutes will shawna spend solving tonights math problems? \boxed{} minutes save answer

Explanation:

Step1: Find time per problem

To find the time per problem, divide total time by number of problems. So, time per problem = $\frac{45}{15}$ = 3 minutes per problem.

Step2: Calculate time for 10 problems

Multiply time per problem by 10. So, time = $3\times10$ = 30 minutes.

Answer:

30