Answer:
Your answer is 12
Step-by-step explanation:
Start by multiplying 9 and 1 1/2. Then add 7 1/2. Now divide by 1 3/4
X represents the number that would be added to the silver cars.
x/40= 4
X=40x4
x=160
Subtract the given 20 from 160 because 160 is the total number
160-20=140
Therefore 140 would be added to 20 silver cars to get the ratio1:4
18 ? am not really sure tho its kinda difficult lol
Answer:
what?///////
Step-by-step explanation:
