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A recipe asks that the following three ingredients be mixed together: add 1/2 cup of flour for every 1/2 teaspoon of baking soda and 1/4 teaspoon of salt.

Which of the following rates is a unit rate equivalent to the ratios shown above?

A. 2 teaspoons of salt per 1 cup of flour

B. 1/2 teaspoon of salt per 1 teaspoon of baking soda

C. 2 teaspoons of salt per 1 teaspoon of baking soda

D. 1 teaspoon of baking soda per 2 teaspoons of salt

Answer :

Answer:

B. 1/2 teaspoon of salt per 1 teaspoon of baking soda.

Step-by-step explanation:

The ratio of cups of flour to tsp. of baking soda to tsp. of salt shown above is:

1/2 : 1/2 : 1/4

An equivalent rate to the ratio of tsp. of salt to tsp. of baking soda is 1/2 : 1 because:

Ratio of tsp. of salt to tsp. of baking soda is:

1/4 : 1/2

If we were to find an equivalent rate to this, it would be 1/2 teaspoon of salt per 1 teaspoon of baking soda for:

Multiply 2 to both terms in the ratio 1/4 : 1/2:

1/4 x 2 = 1/2 (simplified)

1/2 x 2 = 1 (simplified)

The new ratio is 1/2 : 1, which also represents the rate 1/2 teaspoon of salt per 1 teaspoon of baking soda.

Hope this helps!

Please comment back if this was correct.

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Rewritten by : Barada

Answer:

all of the above

Step-by-step explanation:

the ratio between the flour, the baking soda, and the salt would = 1:1:2 (disregarding tsp or cup measurements, since all the units stay the same in the choices)

so really, all the answers are correct

hope this helps!