Answer:
30
Step-by-step explanation:
i promise this is the answer i go to k12 and got the answer correct
The first step, would be to make the percent a fraction. 15%=15/100.
So, if they played 60 games, and you want to find how many they lost, you would write x/60, when x=games lost.
15 x
___=___
100 60
Simplify the fraction on the left. Divide the numerator (top) and the denominator (bottom) by 5, leaving you with 3/20.
3/20=x/60
Make the denominators (bottom) similar
9/60=x/60
x=9
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Answer:
c. Zhen spends 6 1/2 hours working per audiobook.
Step-by-step explanation:
The table below gives some completed audio lengths and the amount of time Zhen spends on the audiobook.

We observe that from the table, in 6.5 hours, Zhen completes 1 audiobook.
In fact, across the table:

Therefore, in this situation, 6.5 hours mean that Zhen spends 6.5 hours working per audiobook.
The correct option is C.
Answer: 8x^2+2x+3 where ^2 means the 2 is an exponent.