Photo enlarge

Mark wants to enlarge a 4-inch by 6-inch photo so that it has a height of 15inches. Use a ratio table to determine the new width of the photo.

Correct answer:

w =  10 cm

Step-by-step explanation:

$$\begin{gathered} a=4 \\ b=6 \\ h=15 \\ w=a\cdot h\mathrm{/}b=4\cdot 15\mathrm{/}6=10\text{ cm} \end{gathered}$$

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