Answer:
$7.50
Step-by-step explanation:
set it up as a proportion:
amount she charges/number of kids= x/number of kids
4.50/3=x/5
Answer: an=8+(n-1)(-6) .
the answer is A
4.50
First add 50 and 40 to get 90. Then multiply that by 0.05 to get 4.5.
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