Question

Catherine rents a booth at a flea market for $80 per day she plans to sell printed T-shirts for $14 each if the cost price of each shirt is five dollars how many printed T-shirts must sell to make a profit of at least $250 for a day

Answer 1

$14x -($80 + $5x) ≥$250
$14x -$80 -$5x ≥$250
$9x -$80 ≥$250
$9x-$80+$80≥$250+$80
$9x≥ $330
$9x/$9≥$330/$9
x≥36.6667
x ≥37
Check
$14x -($80 + $5x) ≥$250
$14(37) -($80 + $5(37)≥$250
$518 -($80 + $185)≥$250
$518 - $265 ≥$250
$253≥$250