10 H + 5 D = $35 times all by 4 40 H + 20 D = $140.00
7 H + 4 D = $25.25 times all by 5 - 35 H - 20 D = -126.25 and subtract
Subtract 5 H = $13.75
Divide by 5 to find price of one hot dog H = $2.75
10 ($2.75) + 5 D = $35 input cost of one hot dog into first equation
$27.50 + 5 D = $35.00
- $27.50 = -$27.50
5 D = $ 7.50 divide by 5 so one drink is $1.50 then go back and check
