Angie is 6 years younger than 4 times Jordan's age.
If Angie is 42 years old, how old is Jordan?

42+6=48

48 divided by 4 is 12.

Jordan is 12 years old. To prove this, if you multiply 12 by 4 you get 48. Subtract 6 to get 42, which is Angie's age.

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step-by-step explanation: ; )

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have