select the correct answer.\na factory produce...
select the correct answer.\na factory produced 150 tons of steel in one year. the next year, the output increased to 180 tons. what is the percentage increase in the output?\na. 17%\nb. 20%\nc. 30%\nd. 50%\ne. 75%
Answer
# Explanation:
## Step1: Find the increase in output
$180 - 150=30$ (tons)
## Step2: Calculate the percentage increase
The formula for percentage increase is $\frac{\text{increase}}{\text{original amount}}\times 100\%$. So, $\frac{30}{150}\times 100\% = 0.2\times 100\%=20\%$
# Answer:
B. 20%