jljfun jljfun
  • 02-11-2017
  • Mathematics
contestada

Sam correctly answered 80% of the questions on his last math test if he missed 3 problems how many questions were on the test

Respuesta :

Аноним Аноним
  • 02-11-2017
Hello There!

100% - 80% = 20%
20% = 3
Therefore, 10% = 1.5
100% = 10 x 10%
100% = 10 x 1.5
100% = 15.

There were 15 questions.

Hope This Helps You!
Good Luck :) 

- Hannah ❤
Answer Link

Otras preguntas

Emperor penguin can be found on only one continent
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
the warning on the medicine bottle stated, 'If taken in excess, the medication _______ lead to adverse effects.'
the medium that Leonardo Da Vinci used to design Mona Lisa's artwork ​
how are vitamins or supplements good for your health
draw the net of cube and square pyramid​
critically evaluate the benefits of online petitioning so that the local government can take urgent action regarding service delivery
WILL GIVE BRAINLIEST IF ANSWERED FAST!!!
Frederick Taylor believed that workers are primarily motivated by money or economic gain, and advocated an incentive pay system to motivate employees. Frederick
what is 22 out of 25 in a letter grade