Answer is d. -5/3 because y2-y1 =x2-x1
~Hello There!~
450/3 = 150
He would spend $150 each month
Hope This Helps You!
Good Luck :)
Have A Great Day ^_^
- Hannah ❤
The equation would be 90/18 which would give you the cost of 5 dollars per rose
If you are looking to turn it into an expression:
1/3w+16
or it could possibly be (if you are looking at inequalities):
1/3w<16