Find d, the depth of the water. - 721
40 ft
115ft
a. 27 ft
b. 8.3 ft
c. 192 ft
d. 33 ft

a

Step-by-step explanation:

Consider the triangles to be similar, that is the the one on the left and the outer one. Then the ratios of corresponding sides are equal, that is

= ( cross- multiply )

40d = 1080 ( divide both sides by 40 )

d = 27 ft → a

$4

step-by-step explanation:

$30×5=$150

$150 minus $130=$20

$20÷5=$4.

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