Answer :

10% of 250 is 25 therefore 25 of her cds are country
70% of 250 is 175 there fore 175 of her cds are pop.
That leaves the other 20% or 50 cds which would be hip-hop

Answer:

50 CDs are hip-hop.

Step-by-step explanation:

Givens

  • Ahyoka has 250 CDs.
  • 10% are country.
  • 70% are pop.
  • The rest are hip-hop.

According to the problem, 10% of all CDs are country and 70% are pop, that gives a total of 80%. That means 20% of all CDs are hip-hop, because is the remaining part.

Now, we have to find the 20% of 250. We know that 20% equals 0.20, then

[tex]0.20(250)=50[/tex]

Therefore, 50 CDs are hip-hop.