1/10 of 400 = 40
1/4 of 40 = 10
1/2 of 10 = 5
the number is 5
Answer:
142048
Step-by-step explanation:
it should be 0.7
7 songs costs $8.4
6/5= $1.2 for each song
1.2 times 7= $8.4
it will be 1 : 3