lorry8488
31.05.2021 •
Mathematics
5 balloons in 12 minutes. At this rate, how many balloons can she blow up in 3 hours?
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Ответ:
75 ballons in 3 hours
Step-by-step explanation:
We know the ratio min to balloon, 12:5.
A common factor of 60 is 12 and 5. We know that 5 balloons will come out of the 12 interval mark.
So each hour, we get 25 balloons per hour. Multiply 3 on both sides of the equation to get the total amount of balloons. 
So, 75 balloons is how many she can blow up in 3 hours.
Ответ:
Step-by-step explanation: sorry I don't know how to do it
Sorry i dont know it