Respuesta :

mhanifa

Answer:

  • B. 7 in / 21 ft = x in / 1 ft

Step-by-step explanation:

  • Model = 7 in
  • Car = 21 ft
  • Scale = ?

Scaling is:

  • 21 ft ⇒ 1 ft
  • 7 in ⇒ x in

Cross- multiplication:

  • 21 ft * x in = 7 in * 1 ft

Equivalent answer choice is B:

  • 7 in / 21 ft = x in / 1 ft

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