Harrison has 30 CDs in his music collection. If 40% of the CDs are country music and 30% are pop music. how many CDs are other types of music?

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation:

b

step-by-step explanation:

the answer is simply just 6n add the two together as they have an n

b. 1.25 hr

step-by-step explanation:

if you have a constant speed of 60 mph, then you have a ratio between 60 mi. to 1 hr. dividing both sides by 60 we get the ratio

1 mi. to

then mult. both sides by 75 we get the ratio

75 mi. to

simplifying we get

75 mi. to

or 1.25 hr.