CPM Homework Help : CC1 Problem 2-69

Janelle and three of her friends bought four smoothies of equal cost for a total of $\$3$ . If she purchases the same smoothies on another day for herself and nine of her friends, how much money will she spend?

Hint:

First, calculate the cost of one smoothie.

More Help:

Now that you know how much Janelle will need for $1$ smoothie, the next step is to calculate how much money Janelle will need for $10$ smoothies.

Step 1:

$\frac{3}{4} = 0.75$

$\$0.75$ per smoothie

Step 2:

$(\$0.75)(10)=?$