3 years ago

Help I truly don’t understand anything

1 answer:

6 0

There are a total of 68 cars in the parking lot (sum of all values on the table).

Selecting blue OR a chevy, means all blue and all chevies are valid choices...there are 7+9+8+7+5 (blue cars and chevy cars) = 36:
36/68 = 9/17

Selecting blue AND a chevy - There are 8 blue chevies:
8/68= 2/17

GIVEN that the car is blue means we're only selecting from the 7+9+8 = 24 blue cars on the lot which are chevies...and there are 8 blue chevies:
8/24 = 1/3

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