A store’s revenue from selling skateboards is determined by multiplying the number of skateboards by the cost per skateboard. The revenue, r,
from selling x skateboards (where x ≤ 50 ) is r = x(50 − 0.2x).
How many skateboards need to be sold to have a revenue of $480?

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

Someone which statements are true? check all that apply.

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?