Mike got 31 out of 50 for a test.
The pass mark is 60%.
Did Mike pass the test?

Yes Mike passed the test.

Step-by-step explanation:

31/50 is equal to 62% which is higher than the needed mark to pass.

Yes

Step-by-step explanation:

Change denominator to 100 by multiply both denominator and numerator by 2, so 31*2= 62, so he passed the test.

your answer is 23/2 - 13.5

step-by-step explanation:

7/2 evaluates to

multiply x and 4.5

multiply x and 1

the x just gets copied along.

the answer is x

x

4.5*x evaluates to 4.5x

multiply 3 and 4.5x

multiply 1 and x

the x just gets copied along.

x

4.5*x*3 evaluates to 13.5x

7/2-4.5*x*3 evaluates to

  + 8 =

the answer is

7/2-4.5*x*3+8 evaluates to

step-by-step explanation: