To make 12 ounces of hot chocolate, 3 tablespoons of cocoa are needed. how many tablespoons of cocoa are needed to make 72 ounces of hot chocolate?

18 table spoons of cocoa needed to make 72 ounce of hot chocolate.

Step-by-step explanation:

Given: 3 Table Spoons of Cocoa are needed to make 12 ounce of hot chocolate.

To find: No. of table spoons of cocoa to make 72 ounce of hot chocolate.

This Problem is of Direct Proportion as when No. of spoons of cocoa increase then weight of hot chocolate also increase.

So, this can be solved by unitary method.

that is, we first find No. of spoon of cocoa needed for 1 ounce of hot chocolate.

No. of spoons of cocoa needed for 12 ounce of hot choclate = 3

⇒ No. of spoons of coca needed for 1 ounce of hot choclate

                                                                        =

                                                                       =

Now, No. of spoons of cocoa needed for 72 ounce of hot chocolate

                                                                     =

                                                                     =

                                                                    = 18

Therefore, 18 table spoons of cocoa needed to make 72 ounce of hot chocolate.