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Ratio and Proportion

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Question : 86 of 112

Marks: +1, -0

A recipe for 4 servings requires salt and pepper to be added in the ratio of 2:3. If the recipe is adjusted from 4 to 8 servings, what is the ratio of the salt and pepper that must now be added?

$4 : 3$
$2 : 6$
$2 : 3$
$3 : 2$

Solution:

Concept:

Ratio stays constant when scaling all ingredients equally.

Explanation:

The original ratio of salt to pepper is

2:3

.

Scaling from 4 to 8 servings multiplies both quantities by 2.

The new ratio becomes

4:6

, which simplifies to

2:3

.

Thus the ratio remains unchanged.

Answer:

2:3

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