12/80 = 0.15
multiply by 100 to get a percentage
15 %
she thought 15% of the books were good, cause 12 is 15% of 80. Hope this helps!
Answer:
-5.5
Step-by-step explanation:
2.75+(-2)+(-6.25)=-5.5
What you would have to do is distribute your three to each number in the parentheses using multiplication so your answer would be 6y+15
- 514 + 13 + 47 - 16
- 501 + 47 - 16
- 454 - 16
- 470.
Your answer should be -8y + 6.6z + 10