If a car factory checks 320 cars and 12 of them have defects, how many out of 560 will have defects? Use proportions

Total number number of cars which do not have defects = 539

and 21 are defected out of 560 i.e. 560 - 539 = 21

Step-by-step explanation:

Total cars checked by Car factory = 320

Number of defected cars = 12

The number of cars which do not have defects = 320 - 12 = 308

Total Number of cars = 560

So the equation becomes

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⇒  

⇒  

Therefore, total number number of cars which do not have defects = 539

and 21 are defected out of 560 i.e. 560 - 539 = 21

step-by-step explanation:

try remembering the steps

$8

step-by-step explanation:

it is pretty much backwards.

you take the 4x2 multiply that, and that is = $8