To find the number of CD on sale, we can set an equation.
Let y be the number if CD.
As she bought 40%, the amount she bought= 40%y
The equation:
40%y = 80
0.4y = 80
y = 80÷0.4
y=320
Therefore there were originally 320 CDs.
Hope it helps!
Answer:
14
Step-by-step explanation:
Hope this will help you....
We have to divide 9/10 by 3/12.
if we divide by a fraction, we can instead multiply by it's inverse:

so now we count:

so we can cut exactly 3 pieces!
-3 > -7
u have to remember, with negatives, the larger number is smaller in value.
when u plot these numbers on the number line, the number that is farthest to the left is less then...the number that is farthest to the right is greater then.
-3 is warmer because it is closer to zero then -7.
Answer:
1,2,5
Step-by-step explanation: