Question

1. the sixth - grade talent show is next week. each year, every performance is allotted the same amount of time. last year, there were 10 performances, and the show lasted 60 minutes. this year, there are 15 performances. how long will this year’s talent show last?

□ minutes

Explanation:

Step1: Find time per performance

Last year, 10 performances took 60 minutes. So time per performance is $60\div10 = 6$ minutes.

Step2: Calculate this year's total time

This year, there are 15 performances. Each takes 6 minutes, so total time is $15\times6 = 90$ minutes.

Answer:

90