Ivan 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 Ivan spends babysitting (in hours), x,
and the amount of money he earns babysitting (in dollars), y.
x (hours) y (dollars)
1
$5
$10
$15
$20
Write an equation for the relationship between x and y. Simplify any fractions.
2
y =
3
4