Answer:
$170
Explanation:
Let's say that x represents the amount of hours, so therefore, x will be replaced by 3:
y = (40 * 3) + 50
So, solve inside the parentheses:
y = (40 * 3) + 50
y = 120 + 50
Solve:
y = 120 + 50
y = 170
So, a jet ski would cost $170 to rent for 3 hours
Hope this helps :)