a parking lot has a total of 60 cars and trucks. the ratio of cars to trucks is 7:3. how many cars are in the parking lot and how many trucks are in the parking lot
One way to look at this problem:
Since the ratio of cars to trucks is 7:3, for every 10 (7 + 3 = 10) vehicles, 7 are cars and 3 are trucks.
How many groups of 10 are there?
Since there are 60 vehicles, 60 / 10 = 6 ---> there are 6 groups of 10.
Since there are 7 cars in each of the 6 groups: 6 x 7 = 42 cars
Since there are 3 cars in each of the 6 groups: 6 x 3 = 18 trucks
One way to look at this problem:
Since the ratio of cars to trucks is 7:3, for every 10 (7 + 3 = 10) vehicles, 7 are cars and 3 are trucks.
How many groups of 10 are there?
Since there are 60 vehicles, 60 / 10 = 6 ---> there are 6 groups of 10.
Since there are 7 cars in each of the 6 groups: 6 x 7 = 42 cars
Since there are 3 cars in each of the 6 groups: 6 x 3 = 18 trucks