Question

Dale wants to save up some money to buy a new smartphone, so he babysits on the weekends. There is a proportional relationship between the time Dale spends babysitting (in hours), x, and the amount of money he earns babysitting (in dollars), y. x (hours) y (dollars) 1 $5 2 $10 3 $15 4 $20 What is the constant of proportionality? Write your answer as a whole number or decimal. dollars per hour

Answer 1

Constant of proportionality = Total dollars earned / Total hours spent = $5 / 1 hour = $5 per hour

So, the constant of proportionality is $5 per hour, which means Dale earns $5 for each hour of babysitting.

Explanation: