Answer:
A) 3S + 15H = 30.00
B) 2S + 4H = 11.00
We'll multiply B) by -1.5
B) -3S + -6H = -16.50 then we add this to A)
A) 3S + 15H = 30.00
9H = 13.50
1 Hat costs $1.50
That means 15 Hats cost 22.50 so equation A becomes:
3S + 22.50 = 30
3S = 7.50
1 Streamer costs $2.50
Step-by-step explanation:
