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85/100 = x/80. What is the unknown quantity?
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5 votes
85/100 = x/80. What is the unknown quantity?

User Larry Lv
by
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2 Answers

3 votes
Cross multiply then flip equation
85 * 80 and x * 100
6800 = 100x
100x = 6800

Now divide each side by 100
100x ÷ 100 = 6800 ÷ 100
x = 68
User Chris Klingler
by
8.0k points
1 vote

85 x 80 = 6800

6800/100 = 68

x = 68

User PerfectlyPanda
by
7.8k points
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