jamald2331 jamald2331

22-01-2021
Mathematics

contestada

You earned 90% on a science quiz. You answered 27 questions correctly. How many questions were on the test?

Respuesta :

etrackstar626 etrackstar626

22-01-2021

Answer:

There were 30 questions on the test.

Step-by-step explanation:

1. Set up your equation: 27/90 = y/100

2. Next you want to cross multiply: 2700 = 90y or 270 = 9y

3. Divide 270 by 9 to find your y: y = 30

There were 30 questions on the test.

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