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Gelneren [198K]
3 years ago
13

Maria's math test had 25 questions she got 84% correct how many did she get wrong

Mathematics
2 answers:
inysia [295]3 years ago
7 0
\frac{x}{25}=84% \\  \frac{x}{25}=.84 \\ 25( \frac{x}{25})=(.84)(25) \\ x=21
Maria got 21 correct.

Number wrong = Total - Number right
y = 25 - 21
y = 4

Maria got 4 wrong.

Hope this helps!

Jobisdone [24]3 years ago
3 0
To see how much she got correct we need to do
(84/100)×25=21
so she got 21 correct out of 25
so 25-21=4
so she got 4 wrong
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