Answered

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19. A test has 20 questions. If Peter gets 75% correct, how many questions did Peter
got wrong?
A. 9
B. 7
C. 6
D. 5​

Sagot :

Vanessa0326idn

Answer:

D. 5

Hope it helps

Correct me if I'm wrong

JOreolioidn

Answer:

The answer shall be letter D, which is 5.

For the solution, let us use the method called "Decrease in Percentage".

First, let us subtract 100% from 75% in this question.

100% - 75% = 25%

Second, convert 25% into a decimal by moving its decimal place to the left twice and removing the percent sign.

25% -> 0.25

Lastly, multiply 20 by 0.25.

20 x 0.25 = 5

For the complete solution of the multiplication, it is on the picture shown.

View image JOreolio