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sleet_krkn [62]
3 years ago
8

Use the image to determine the height of the girl.

Mathematics
1 answer:
sergey [27]3 years ago
8 0

Answer:

  72 in

Step-by-step explanation:

We know that 120 in is equal to the sum of the given height expressions.

  (9x) +(7x-8) = 120

  16x = 128 . . . . . . add 8 and simplify

  x = 8 . . . . . . . . . . divide by 16

  9x = girl's height = 9·8 = 72 . . . . inches

The height of the girl is 72 inches.

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