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neonofarm [45]
3 years ago
11

Help I truly don’t understand anything

Mathematics
1 answer:
andrezito [222]3 years ago
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: 
<span>8/68= </span>2/17

GIVEN that the car is blue means we're <em>only selecting from </em>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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