Answer:
What is the question for the exercise?
Step-by-step explanation:
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A= 72°
B= 18°
C= 100°
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Let s and h the number of sodas and hotdogs sold, respectively; therefore, according to the question, the two equations are

Solving the system of equations,

Thus, the answer is 29 hotdogs and 87 sodas.
x=-28 because the minus sign in front of the x will turn the -28 into positive 28 and 28+4 is 32