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Rzqust [24]
3 years ago
6

It takes 90 minutes to vacuum 30 vehicles. At this rate, how many minutes does it take to vacuum 7 vehicles?

Mathematics
2 answers:
Ksju [112]3 years ago
5 0
Yep 21 is correct good luck
DIA [1.3K]3 years ago
3 0

Answer: 21.

Step-by-step explanation: If you do '90 x 7' you get 630. With this, you will want to divide 630 by 30. So to simplify this, '(90 x 7) ÷ 30 = 21'

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Answer:

5x and 6x both have the letter x. Let's combine them! 5x+6x = 11x

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