Question

During a 60-minute period, a traffic engineer counted 54 trucks and cars that crossed a bridge. The ratio of trucks to cars that travel across the bridge is usually 2:7. The equation 2/7= t/54-t can be used to predict the number of trucks, t, the engineer should have counted. How many trucks should the engineer have counted?

Answer 1

Answer: the engineer counted t/26 trucks

Explanation:

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