11. In a certain town the ratio of the number of cars to that of taxis is 15:4. If there are 172 taxis in the town, find the number of cars there.

645 cars

Step-by-step explanation:

Divide 172 by 4 to find the multiple which is 43 so if 4 was multiplied by 43 to get 172 taxis you must multiply 15 by 43 which gives 645

653 cars

Step-by-step explanation:

C : T

15:4

174/4 = 43.5

15 x 43.5 = 652.5

You cannot have 0.5 of a car so round up, therefore the answer is 653 cars.

the answer is b.)

< 1=< 2

1/800 is the right answer