Your answer is C. C=7.50n+ 570
Answer:
517200000
Step-by-step explanation:
10 to the power of 8 is equal to 100000000
5.712 times 100000000 is equal to 571200000
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Answer:
15x+25 ; 70
Step-by-step explanation:
Given that,
Fernando cleans pools for the summer for $25 an hour plus a supply fee of $15.
Here, $25 is constant and $15 increases as the number of hour increase. For x hours, the cost for Fernando to clean a pool is given by :
y = 15x+25
For 3 hours,
y = 15(3)+25
= 45 + 25
= 70
So, the required option is (c) " 15x+25 ; 70 ".