morriscassie071
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 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 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.
Answer Link

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