Question

The price of a television was increased from $250 to $300. By what percentage was the price of the television increased? O 20% 25% O 80% O 50% Amanda increased the amount of protein she eats everyday fromage to

Answer 1

1) Since the original price was $250 we can write:

$ %

250------- 100

300 ------ x

2)

And then, we can cross multiply those ratios:

$\begin{gathered} \frac{250}{300}=\frac{100}{x} \\ 250x=30000 \\ x=\frac{30000}{250} \\ x=120 \end{gathered}$

So 300 corresponds to 120%, But since the question is what percentage was the price increased, Hence:

120-100= 20%

3) So the price was increased by 20