10 : 30
4: x [x is the length]
10/4=2.5
30/2.5=x=12
length of the diagram is 12cm
3, 20 bills 60 dollars add 1, 10 bill to get to 70 dollars add 1, 5 bill you get 75 dollars add 2,1 bills to get 77 dollars finaly 1 quarter to get 77 dollars and 25 cents
Answer:
25 = 23
100 = X
Cross multiply and you will have:
25x = 2300
Step-by-step explanation:
The price for each cd equals 9.95 so I would estimate it to 10$
