James got 5 problems wrong in a test of 40 questions. what percent of the questions did he get correct?

87.5%

Step-by-step explanation:

If he got 5 wrong out of 40, then he got 35 correct.

35

—— = 87.5%

40

So James got 87.5% of the questions correct (12.5% wrong).

87.5%

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

95.03 is the answer. hope this !