If pam can install 12 insulators in 15 hours, how long does it take to install one insulator

I believe the answer is 1.25 insulators per hour.

Hi , the answer is 4 hours because
12insulators-15hours
11-14hours
10-13hours
9-12hours
8-11hours
7-10hours
6-9hours
5-8hours
4-7hours
3-6hours
2-5hours
1-4hours

1. 25 ,divide 15 by 12

The time it takes to install 1 insulator would be 1.25 hours

Also Read :   Phil has 3 times as many rocks as peter. together they have 48 rocks. how many more rocks does phil have than peter?

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