2 years ago

HELP IN THIS QUESTION

Mathematics

2 answers:

Zinaida [17]2 years ago

8 0

The answer is 20 questions.

uysha [10]2 years ago

7 0

Given:

80% correctly; if 16 correct, what is the total?

16/y = 80/100

cross muliply

16 x 100 = 80 x y

1600 = 80y

Divide 80 on either sides.

1600 / 80 = 80y / 80

80 and 80 cancels out.

20 = y

16/20 x 100 = 80%

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