Answer: 
Step-by-step explanation:
Subtract 490 from both sides
Then flip
multiply both sides by
to cancel out 
Thus giving you -735 as your
.
Then you plug it back into the equation to solve.
Answer:
The answer is -17/5
Step-by-step explanation:
hope that helps
Answer:
Step-by-step explanation:
if the ratio is 8:11 then 40:x
Cross multiply
8 40
11 x
8x=440
And divide by 8
x=55. She has 55 books
Answer:
Can you please give more information about the question?
Step-by-step explanation:
:
(4^8)w This is the answer