Answer: hi
Step-by-step explanation:
X = number of cds on the rack
x + 7 = 30
x = 30 - 7
x = 23 <== so there are currently 23 cds on the rack
Answer:
x = 5
Step-by-step explanation:
First, we move all variables to one side of the equation. (Don't forget to change signs.)
9x - 8x + x = 7 + 3
Then, we simplify
x + x = 10
2x = 10
10 divided by 2 is equal to 5.
Therefore, x = 5
Hope this helps!
Answer:
It would be best to buy the two regular sized ones
Step-by-step explanation:
4 out of 5 went to potential members, so 1/5 of the total went to existing members.
(1/5)·215 = 43 . . . . went to existing members