Answer:
hot dog= $2.25
juice= $1.50
Step-by-step explanation:
Let the price of a hot dog be $H and that of a juice be $J.
H +J= 3.75 -----(1)
2H +3J= 9 -----(2)
(1) ×2:
2H +2J= 7.5 -----(3)
(2) -(3):
2H +3J -(2H +2J)= 9 -7.5
Expand:
2H +3J -2H -2J= 1.5
J= 1.5
Substitute J= 1.5 into (1):
H +1.5= 3.75
H= 3.75 -1.5
H= 2.25
∴ The price of a hot dog and a juice is $2.25 and $1.50 respectively.
