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Charra [1.4K]
3 years ago
9

Mark got 14 problems wrong on the test. his score was 72% correct.how many problems were on the test

Mathematics
1 answer:
polet [3.4K]3 years ago
6 0

9514 1404 393

Answer:

   50 problems

Step-by-step explanation:

The percentage wrong was  100% -72% = 28%. Then the number n of problems on the test was ...

  14 = 0.28·n

  n = 14/0.28 = 50

There were 50 problems on the test.

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