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Keith_Richards [23]
3 years ago
10

. Leslie is blowing up one of her favorite photographs to hang on her wall. If the photo's original length and height were 8 inc

hes and 15 inches, and the new height is 4 feet, how many feet must the new picture be
Mathematics
1 answer:
Katena32 [7]3 years ago
7 0

Answer:

L_2 = 2\frac{2}{15}\ ft

Step-by-step explanation:

Given

Original

Length(L_1) = 8\ in

Height (H_1) = 15\ in

New

Height (H_2) = 4\ ft

Required

Determine the new length (L2)

Since the original photographs was blown up; the original and the new photographs would have the same ratio

i.e.

Ratio = L_1 : H_1

and

Ratio = L_2 : H_2

Equate both ratios

L_1 : H_1 = L_2 : H_2

Rewrite as fraction

\frac{L_1}{H_1} = \frac{L_2}{H_2}

Substitute values for L1, H1 and H2

\frac{8}{15} = \frac{L_2}{4}

Multiply both sides by 4

4 * \frac{8}{15} = \frac{L_2}{4} * 4

4 * \frac{8}{15} = L_2

\frac{4 * 8}{15} = L_2

\frac{32}{15} = L_2

2\frac{2}{15} = L_2

L_2 = 2\frac{2}{15}\ ft

The new length must be 2\frac{2}{15}\ ft

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