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15-10-2018
Mathematics

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Crystal earns $5.50 per hours mowing lawns. Write a rule to describe how the amout of money m earned is a function of the number of hours h spent mowing lawns. How much does crystal earn if she works 3 hours and 45 minutes?

Respuesta :

15-10-2018

She earns $5.50 for every hour so:
[tex]m = 5.5h[/tex]
3 hours and 45 minutes is 3.75 hours.
[tex]m = 5.5(3.75)[/tex]
[tex]m = 20.625[/tex]
After rounding, she earns $20.63.

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