Answer:38.55
Explanation:
because you would make x=to 30 for the time and that would make the problem
40.05-0.05*30
0.05*30=1.5 so
40.05-1.5=38.55
Answer: 39$
Step-by-step explanation: calls=x x=30 30*.05= 1.50 40.50-1.50= 39$
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