It takes 1 4 cups of mayonnaise to make 3 4 cups of tuna fish salad. if cory has a recipe for 1 cup of tuna fish salad, how much mayonnaise will he need to make 9 times the recipe? a) 3 cups of mayonnaise b) 5 cups of mayonnaise c) 6 cups of mayonnaise d) 9 cups of mayonnaise

OPTION A.

Step-by-step explanation:

Let be "x" the amount of cups of mayonnaise that he will need to make 1 cup of tuna fish salad and "y" the amount of cups of mayonnaise that he will need to make 9 times the recipe.

Knowing that it takes of mayonnaise to make of tuna fish salad, we can set up the following proportion:

Solving for "x", you get:

So "y" will be:

Substituting the value of "x" into the equation, we get:

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step-by-step explanation: