Answer:
-8
Step-by-step explanation:
multiply for on both sides then divide by 3
I think its B because
your multiply 4 on both sides
and then you divide by 3
10^2 since 10(10) = 100 and 10 is multiplied by itself twice.
Think of this situation as a system of equations.
let y be the price of hotdogs
let x be the price of hamburgers
5y + 2x = 8
2y + 5x = 9.50
now use your solution method of choice
substitution, elimination, matrices, etc