Perpendicular lines have negative reciprocal slop to each other.
So first solve for y.
Slope will be the coefficient of x in y=mx+c form.
m is the slope. Then negative reciprocal this slope and in this case the answer is -1/5
Christopher read 2 books each month which mean 4 books in 2 months
Step-by-step explanation:
This the solution
the answer is one
You move the decimal point two times to the right
1.5 is 150%