Question

to make one cup of hot chocolate, 1 1/2 tablespoons of hot cocoa mix must be used. if a snack bar wants to make 70 cups of hot chocolate, how much mix will they need?

Answer 1

Given:

1 cup of hot chocolate = 1½ tablespoons of cocoa mix.

70 cups of hot chocolate = x tablespoons of cocoa mix.

Note that 1½ = 1.5

Let's find how much mix will they need below:

$\begin{gathered} \frac{1}{1.5}=\frac{70}{x} \\ \text{Cross multiply} \\ x\text{ = 70 }\ast\text{ 1.5 } \\ \text{ = }105 \end{gathered}$

Therefore the amount of hot cocoa mix they will need is 105 tablespoons

ANSWER:

105 tablespoons of hot cocoa mix