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damaskus [11]
3 years ago
11

James has a model helicopter. The model is 8 inches long and 7 inches wide. The actual helicopter is 56 inches long. What is the

helicopters actual width, if we assume the models proportions are accurate?
A: 40 inches
B: 49 inches
C: 56 inches
D: 60 inches
Mathematics
1 answer:
Nostrana [21]3 years ago
6 0

Answer:

49 inches

Step-by-step explanation:

Write and solve an equation of ratios, as follows:

7 inches               x

-------------- = -----------------

8 inches        56 inches


Then (8 ")x = (7 ")(56 "), and

x = 392/8 inches = 49 inches.

The actual width of the helicopter is 49 inches.

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