morriscassie071 morriscassie071

03-11-2017
Mathematics

contestada

On a test, Matilda answered 12 out of the first 15 problems correctly. If this rate continues, how many of the next 25 problems will she answer correctly?

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bobbyfrankisawesome bobbyfrankisawesome

03-11-2017

12 is 80% of 15. So if the rate continues, She will answer 20 out of the 25 correctly. Hope I helped love! <3

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sarah0182 sarah0182

03-11-2017

Matilda answered 12 of the 15 problems or a ratio of 12:15 ...

This gives 12/15= 0.8 • 100% = 80%

If she gets 80% of the next set of 25 questions right

25 • 0.8 = 20
She will get 20 problems correct.

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