madisonmwiese madisonmwiese
  • 08-10-2015
  • Mathematics
contestada

Jim got a 90% on his test he missed 3 questions. How many questions were on the test?

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Madelinej
Madelinej Madelinej
  • 08-10-2015
100 (x - 3) = 90x
100x - 300 = 90x
-100x           -100x
------------------------
-300/-10 = -10x/-10
30 = x

There were 30 questions on the test

Answer Link
Аноним Аноним
  • 08-10-2015
he got 27 questions right out of 30
Answer Link

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