Question

When the parking garage opened in the morning, there were 100 cars in lot A and 20 cars in lot B. After the attendant moved 20 cars from lot A into lot B, what was the ratio of the number of cars in lot A to the number of cars in lot B?

Answer 1

if 20 cars were moved from A to B then A has now 100-20 and B has 20+20;
the rest is easy

Answer 2

If 20 cars were moved from lot a and send to lot b, then lot a will be left with 80 cars and lot b will be left with 40, that Is 5:1

Answer 3

2:1