Her estimate is not reasonable.
Since she estimated 69%, you could do either of these options. You could...
A. Divide 242 (or .5) to show how much half off would be, then compare her estimate with half of 242 (121). OR...
B. Simply divide 242 by 69% (.69) and compaor her estimate to the exact amount (166.98).
I hope this helps!
Answer: 7 x 80 i think
Step-by-step explanation:\
nothing
Answer is D.
Just plug in 2 for x and -2 for y. And solve

after taking sqrt both side
3x/

3x/3y√2
x/√2y
multiply both denomenator and numerator by√2
√2x/2y
Answer is A
Mmmmm Maybe you should try doing something doing something doing something during