Answer:
10. it is correct it is 24
11. 21
Step-by-step explanation:
I could not see the answer but it should look like this:
11.6-3(3-[2-3]-10)-3
6-3(3-[-1]-10)-3
6-3(3-(-1)-10)-3
6-3(4-10)-3
6-3(-6)-3
6-(-18)-3
(6-(-18))-3
24-3
21
Ok, so If you are asking for the original amount it would be a total of 250 cm worth of ribbon.
The equaton for cost is
first website is 1.25x
2nd is x+3
I'm assuming what number of songs wil make them have same cos
1.25x=x+3
minus x from both sides
0.25x=3
divide both sides by 0.25
x=12
answer is 12 songs must be purchased to spend the same on each website
The answer to the question you asked is 162.5625