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madam [21]
3 years ago
9

Ronnie can paint 8 rocks in 5 minutes. How long will it take him to paint 54 rocks

Mathematics
2 answers:
sergiy2304 [10]3 years ago
3 0
8 rock in 5 minutes

54 rocks / 8 rocks = 6.75

6.75 x 5 minutes = 33.75 minutes
slavikrds [6]3 years ago
3 0

Answer:

33 minutes and 45 seconds.

Step-by-step explanation:

We can easily set up a proportion...

He can paint 8 rocks in 5 minutes. He can paint 54 rocks in x minutes.

\frac{8}{5} =\frac{54}{x}

8 * x = 54 * 5

8x = 270

4x = 135

x = 33.75

So, it will take Ronnie 33 minutes and 45 seconds to paint 54 rocks.

Hope this helps!

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