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Arlene casts a shadow of 5 ft. and she is 6 ft. tall. A billboard casts a shadow of 35 ft. at the same time that Arlene measured her shadow. Calculate how tall the billboard is.
A.35 ft.
B.40 ft.
C.42 ft.
D.30 ft.

Respuesta :

m1ax0x0
Arlene; shadow 5ft: 6ft tall. = 5:6
billboard; shadow 35ft: x ft tall = 5:6.
35 * 6 / 5 = 42.
billboard is (C).42ft tall.

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