The number of measles cases increased 13.6 % to 57 cases this year, what was the number of cases prior to the increase? (express your answer rounded correctly to the nearest whole number)

The number of cases prior to the increase is 50.

Step-by-step explanation:

It is given that the number of measles cases increased by 13.6% and the number of cases after increase is 57.

We need to find the number of cases prior to the increase.

Let x be the number of cases prior to the increase.

x + 13.6% of x = 57

Divide both the sides by 1.136.

Therefore the number of cases prior to the increase is 50.

answer: for each 3 girls there is 2 boys . 3: 2

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87%

step-by-step explanation:

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