an engine with a normal rating of 900 hp has an emergency rating of 980 hp, what percentage of the normal…

an engine with a normal rating of 900 hp has an emergency rating of 980 hp, what percentage of the normal rating is the emergency rating? (nearest whole number)\nquestion 13 2 pts\nif an engine develops 125 hp at 90% power, what hp would be developed at 75%? (nearest whole number)
Answer
Explanation:
Step1: Calculate percentage for first question
Let the normal rating be $a = 900$ and emergency rating be $b = 980$. The formula for percentage is $\frac{b}{a}\times100%$. So, $\frac{980}{900}\times100%=\frac{98000}{900}% \approx 109%$.
Step2: Calculate power for second question
If the engine develops 125 hp at 90% power, let the full - power be $x$. Then $0.9x = 125$, so $x=\frac{125}{0.9}$. To find the power at 75% power, we calculate $0.75\times\frac{125}{0.9}=\frac{0.75\times125}{0.9}=\frac{93.75}{0.9}\approx104$.
Answer:
109 104