Climbing at an indoor rock-climbing gym costs $8 per hour. Lizbeth has a $30 gift card to spend at the gym. Write an algebraic expression for the dollar amount Lizbeth will have left on the card after she spends h hours climbing. Can Lizbeth climb for 4.5 hours using only her card? Explain how you know.

Question

Mathematics

Meaghan

8 August, 09:24

Climbing at an indoor rock-climbing gym costs $8 per hour. Lizbeth has a $30 gift card to spend at the gym. Write an algebraic expression for the dollar amount Lizbeth will have left on the card after she spends h hours climbing. Can Lizbeth climb for 4.5 hours using only her card? Explain how you know.

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Answers (1)

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Julio Chapman · Answer 1

8h=30

Lizbeth can not climb for 4.5 hours.

Step-by-step explanation:

If you plug in 4.5 for h you get

8 (4.5) = 30

36 does not equal 30

Therefore Lizbeth can't climb for 4.5 hours