Miller’s Bike Shop sells adult-sized and child-sized bikes. The shop owner believes he will sell at least 20, but no more than 40 bikes per month. He also believes he will sell at least twice as many adult-sized bikes as he will child sized bikes.
Let x represent the number of adult-sized bikes sold by Miller’s Bike Shop each month.
Let y represent the number of child-sized bikes sold by Miller’s Bike Shop each month.
x ≥
y ≥
x + y ≥
x + y ≤
x ≥ y