number of t-shirts and total cost
10 --------------------- 75
15 --------------------- 105
20 ----- --------------- 135
what is the cost of 1 t-shirt?
2007-09-10 14:18:03 · 4 answers · asked by daniella 2 in Science & Mathematics ➔ Mathematics
Turn each of them into equations:
10x=75
15x=105
20x=135
For the first one you get 7.5, the second is 7, and the third is 6.75.
2007-09-10 14:24:11 · answer #1 · answered by Anonymous · 0⤊ 0⤋
$7
2007-09-10 14:25:36 · answer #2 · answered by Gwen 5 · 0⤊ 0⤋
10 + 15 + 20 = 45 t-shirts
$75 + 105 + 135 = $315
315 divided by 45 = $7.00/t-shirt
2007-09-10 14:24:30 · answer #3 · answered by vitaeterna2004 2 · 0⤊ 0⤋
u guys r all incorrect its the same t-shirt
u dont even need the third one
105-75= $30
15-10=5
$6=1 shirt
u probably hav to pay $15 first before you pay for the shirts.
2007-09-10 14:25:48 · answer #4 · answered by hobo h 4 · 0⤊ 0⤋