Question

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

Answer 1

$\frac{x}{25}=84% \\ \frac{x}{25}=.84 \\ 25( \frac{x}{25})=(.84)(25) \\ x=21$
Maria got 21 correct.

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

Maria got 4 wrong.

Hope this helps!

Answer 2

Maria got 4 answers wrong as per linear equation.

What is a linear equation?

A linear equation is an equation that has a variable with the highest power of 1. A linear equation may consists of multiple variable. However, the highest power of any variable will be 1.

Given, Maria's math test had 25 questions.

She got 84% correct.

Therefore, she got wrong

= (100 - 84)%

= 16%

Now, the number of questions she got wrong is

= 25 × 16%

= 4

Learn more about linear equation here: https://brainly.com/question/10047053

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