in a certain office building the ratio of businesses to car is 3:5. if there are 30 businesses how many cars are there

Step-by-step explanation:

Ratio of businesses to cars = 3:5

Number of businesses = 30

Number of cars = Unknown

Let the number of cars be y

3/5 = 30/y

Cross multiply

3y = 30*5

3y = 150

y = 150/3

y = 50

Number of cars is 50

50 cars

Step-by-step explanation:

3 : 5

*10 * 10

30 : 50