Yahhoo1234
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HELP ME!! SHOW YOUR WORK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A student answers 80% of the questions on a math exam correctly. If she answers 20 questions correctly, how many questions are on the exam?

Respuesta :

hackermcpe
To simplify that question, you would normally say "20 is 80 percent of what number" 
To find the answer you must grab the number 20 and divide it by 80% or 0.8
20 ÷ 80% = 25
20 ÷ 0.8 = 25
There are 25 questions on the exam
saira13
80/100x20 = 16 that is the answer

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