Ahyoka has 250 Cds.10% are country, 70% are pop, and the rest are hip-hop.How many CDs are hip-hop?
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:
Step-by-step explanation:
Givens
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
\(0.20(250)=50\)
Therefore, 50 CDs are hip-hop.