54 percent
You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%
9/10 is the answer. 7/8 is 70/80 and 9/10 is 72/80
First, you have to find the LCD. The LCD of 4 and 7 is 28, so you rewrite the fraction:
7/28
4/28
Then you add them.
Take $15 and multiply it by 0.05 (this will get you the percent). You should get 0.75. So you add 0.75 to $15 and you should get $15.75
Answer:
Step-by-step explanation:
-3x^2 --2x--2 -- 9/x--2
