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------------------------------------------------ A salad dressing is made by mixing lemon juice and oil in the ratio 5:4. Eleanor makes 900 ml of the salad dressing. How much lemon juice does she use?

To find the amount of lemon juice Eleanor uses, we need to determine the ratio of lemon juice to the total amount of dressing. In the given ratio, the lemon juice to oil ratio is 5:4. This means that for every 5 parts of lemon juice, there are 4 parts of oil.

To calculate the amount of lemon juice, we can set up a proportion. Let x represent the amount of lemon juice in milliliters. The proportion is:

(5/4) = x/900

To solve for x, we can cross multiply and divide.

Cross multiplying gives us:

5 * 900 = 4 * x

Simplifying further, we have:

4500 = 4x

Dividing both sides by 4 gives us:

x = 1125

Therefore, Eleanor uses 1125 ml of lemon juice in the salad dressing.

Learn more about salad dressing here:

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amcool amcool · Answer 2 · 2024-05-13T00:02:52-04:00

Based on the calculation below, the number lemon juice uses by Eleanor is 321.43ml.

How do we solve a ratio problem?

The number lemon juice uses by Eleanor can be calculated using the following formula:

Number lemon juice uses by Eleanor = Number of ml of the salad dressing that Eleanor makes * (5 / (5 + 9)) ........................ (1)

Substituting for the number of ml of the salad dressing that Eleanor makes in equation (1), we have:

Number lemon juice uses by Eleanor = 900ml * (5 / (5 + 9)) = 321.43ml

Learn more about ratios here: https://brainly.com/question/13419413.

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