andymonique01 andymonique01

15-08-2017
Mathematics

contestada

Susan can run 2 city blocks per minutes. She wants to run 60 blocks. How long will it take her to finish if she already run 18 blocks?

Respuesta :

Steven92 Steven92

15-08-2017

Well Susan has run 18 blocks

So every 2 blocks is 1 minute

2 x 9 = 18 so far 9 minutes

Now the remainder is 42 blocks

20 blocks is 10 minutes

20 x 2 = 40 blocks in 20 minutes

Then the last 2 blocks is 1 minute so

20 + 1 = 21 minutes

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