ShannonL
Answered

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Mark got 14 problems wrong on his test. His score was 72% correct. How many problems were on the test? Please show work.

Sagot :

Giovi
Consider that 100%-72%=28% represents the percentage of wrong answers. I would think as fractions as:
if 100%  is the total number of answers and 28% are the wrong ones
as
if x is the total you have 14 wrong you can write:
[tex] \frac{100}{28} = \frac{x}{14} [/tex]
x=(100/28)*14=50 questions

Answer:

Consider that 100%-72%=28% represents the percentage of wrong answers. I would think as fractions as:

if 100%  is the total number of answers and 28% are the wrong ones

as

if x is the total you have 14 wrong you can write:

x=(100/28)*14=50 questions

Step-by-step explanation:

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