304148 304148
  • 11-06-2019
  • Mathematics
contestada

viktoria took a test and got 80% of the questions right. She answered 20 questions correctly. How many questions were on the test

Respuesta :

912005
912005 912005
  • 11-06-2019

Answer:

25

Step-by-step explanation:

Set up a proportion of 80 over 20 and 100 over x. Cross multiply. 20 X 100 is 2000. Then divide 2000 by 80. So X equals 25.

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