Question

A truck that can carry no more than 5900 lb is being used to transport refrigerators and upright pianos. Each refrigerator weighs 250 lb and each piano weighs 525 lb. Write and graph an inequality to show how many refrigerators and how many pianos the truck could carry. Will 10 refrigerators and 7 pianos overload the​ truck? Explain.

Answer 1

10 refrigerators and 7 pianos would overload the​ truck.

Inequality

Inequality is an expression used to show the relationship between numbers and variables.

Let x represent the number of refrigerator and y represent the number of piano. Hence:

250x + 525y ≤ 5900

For 10 refrigerators and 7 pianos:

250(10) + 525(7)  = 6175 ≥ 5900

10 refrigerators and 7 pianos would overload the​ truck.

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