Question

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?

Answer 1

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