Answered

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Wayne has a recipe on 3 inch by 5 inch index card that he wants to enlarge to 15 inches long. how wide will the enlargements be?

Sagot :

Mailieng33idn
enlarged length is 3 times (15 / 5) length of card
so the enlarged width is 9 inches (3 x 3)
Isyllusidn

Answer:

9 in wide will the enlarge.

Step-by-step explanation:

Wayne has a recipe on 3 inch by 5 inch index card

Length and width of index card varies directly.

If we enlarge the length their width would be definitely enlarge.

Initial L = 3 in and Width = 5 in

[tex]L\propto W[/tex]

[tex]L=kW[/tex]

where, L=3 and W=5

Substitute L and W into formula

3=5k

[tex]k=\frac{3}{5}[/tex]

We need to find L when W=15

[tex]L=\frac{3}{5}\times 15\Rightarrow 9[/tex]

Thus, 9 in wide will the enlarge.

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