Answer:
60% of 500 is 300 and 40% of 500 is 200. 300-200=100
Step-by-step explanation:
Then he should sell all of them for 3 dollars and he'll get $450 dollars from all 150 t-shirts
Answer:
49
Step-by-step explanation:
1.21 x 49 = 59.29
Answer:
$15.75
Step-by-step explanation:

y × 100 = 5 × 15
100y = 75
100y ÷ 100 = 75 ÷ 100
y = 0.75
$15 - $0.75
$14.25

y × 100 = 10 × 15
100y = 150
100y ÷ 100 = 150 ÷ 100
y = 1.5
$14.25 + $1.50
$15.75
I dunno I rlly don't know like seriously I'm in 7th