A certain bread recipe asks you to combine flour and yeast with 3 cups of warm 115 *F water. If the water is hotter or colder than that, then the bread won't rise. All you have available are hot tap water that is 140 F and refrigerated water that is 40 °F. How much hot tap water and refrigerated water should you mix together to get 3 cups of 115 F water? cups of hot tap water. cups of refrigerated water. Round your answers to 2 decimal places.

2.25 cups of hot tap water and 0.75 cup of refrigerated water.

Step-by-step explanation:

Let x= Number of cups of hot tap water that is 140°F.

and y = Number of cups of refrigerated water that is 40°F.

To find : How much each of them we should mix to get 3 cups of 115° F water.

According to the question , we have

Substitute value of y from (i) in (ii) , we get

Put this in (i) ,  y= 3-2.25=0.75

Hence, we require 2.25 cups of hot tap water and 0.75 cup of refrigerated water.

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step-by-step explanation: