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4 votes
Sophia got 68 pointa correct on her math test, which earned her an 85% her friend Tami scored 71 points on the same test. How many total points were on the test?

User Setevoy
by
7.8k points

1 Answer

4 votes

We can solve this problem by applying the rule of three:


\begin{gathered} 85\text{ \% ----- 68 points} \\ 100\text{ \% ---- x} \end{gathered}

then, x is equal to


x=((100)(68))/(85)

which gives


\begin{gathered} x=(6800)/(85) \\ x=80 \end{gathered}

that is, the test consists in 80 points.

User Puja Surya
by
7.3k points
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