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A student earns an 80% on their science test. If she got 20 questions correct, how many total were on the test?

Respuesta :

Answer:

25 questions

Step-by-step explanation:

20 questions = 80%  If she got 80%, that means she got 20 questions correct.

5 questions = 20%  Here, we simply just divide by 4 to give us 20%.

25 questions = 100%  The total of the test would of course equal 100%, so we just multiply by 5 to give the total questions.

I hope this helps you!! ^-^

Answer:

25.

Step-by-step explanation:

By proportion it is

(100/80) * 20

= 1.25 * 20

= 25.

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