Question

MATHS

HOUSE
For SAT
OCT EST 2020 SEC 4
13. Maria downloaded to her music library a total
of 350 pop and rock songs. If the ratio of pop
to rock song is 3 to 11. How many rock songs
are there in Maria's library?
A. 75
B. 125
C. 175
D. 275

Answer 1

Well you can add the ratio

since its pop to rock

3:11

3+11=14

350/14=25

now you jsut multiply that to each ratio

3*25=75

11*25= 275

So (d) 275 rock songs

Answer 2

D. 275

Step-by-step explanation:

3 + 11 = 14

350 ÷ 14 = 25

25 × 3 = 75

350 - 75 = 275

Answer = 275