Add 3.5 to 14.9------------
Plant grows at 3CM per day
equation: y= 3x
21 is y so 21= 3x. divide by 3 so it's been 7 days
The answer is 15 - 5 x
Multiply 5 by 3 ( 15 )
Multiply 5 by -x ( -5x )
I hope this helps and please mark brainliest!
C equals 17.5 you have to cross multiply to find what c is equal to
