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Jet001 [13]
3 years ago
6

A grading machine can grade 48 tests in 1 minute. How

Mathematics
1 answer:
S_A_V [24]3 years ago
3 0
\bf \begin{array}{ccll}
tests&minutes\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
48&1\\
300&m
\end{array}\implies \cfrac{48}{300}=\cfrac{1}{m}\implies m=\cfrac{300\cdot 1}{48}
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To find the value of x we need to use the INVERSE OPERATION of addition which is subtraction. Then we will check our work. lets do it:- 

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egoroff_w [7]

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Step-by-step explanation:

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Andre45 [30]

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Step-by-step explanation:

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