Answer:
Step-by-step explanation:
30% off of $18.00
so that makes the price $12.60
the second one.
Step-by-step explanation:
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What do I solve? We need more info
Answer:
-1=5(-5)
-1=-25
nope
Step-by-step explanation:
Answer:
So average of a set of values is the sum of given values divided by the number of values
So, in this case the given values are 12, 9 , 4 , 8 ,7 and x (letting the 6th friend's time be x)
so the average will be:
(12 + 9 + 4 + 8 + 7 + x)/6 = 9
40 + x = 54
x = 54 - 40
x = 14 hours
