The ratio House blend/Organic Free Trade blend is the same and must remain the same.
So, the proportion is:
![\frac{140}{168}=\frac{130}{x}](https://tex.z-dn.net/?f=%5Cfrac%7B140%7D%7B168%7D%3D%5Cfrac%7B130%7D%7Bx%7D)
Where x is the unknown amount of the Organic Free Trade blend.
So, from the proportion, we have:
![\begin{gathered} 140\cdot x=168\cdot130 \\ 140x=21840 \\ \frac{140x}{140}=\frac{21840}{140} \\ x=156 \end{gathered}](https://tex.z-dn.net/?f=%5Cbegin%7Bgathered%7D%20140%5Ccdot%20x%3D168%5Ccdot130%20%5C%5C%20140x%3D21840%20%5C%5C%20%5Cfrac%7B140x%7D%7B140%7D%3D%5Cfrac%7B21840%7D%7B140%7D%20%5C%5C%20x%3D156%20%5Cend%7Bgathered%7D)
Answer: 156 pounds of Organic Free Trade blend
Answer: They spent $100 on ice cream.
Step-by-step explanation:
Given : Total friends = 5
They bought each $24 worth of toppings.
Total price of toppings = (Total friends ) x (Worth of each topping)
= 5 x ($24)
= $ 120
Total expense = $220
Money amount on ice cream = (Total expense) - (Total price of toppings)
= $220 - $120
= $100
Hence, they spent $100 on ice cream.