Answer:
C. 10
Step-by-step explanation:
by deduction, 5 and 7 are prime numbers and 15 is not a multiple of 70, therefore the answer must be 10 as it is a non-prime number and is a factor of 70 (I.e. 10 and 7)
Answer:
81%
Step-by-step explanation:

A television used to cost $9,000 and today it costs
$500 less, what is the percentage of
discount?
Percentage discount: 5 5/9 percent
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