Answer:
1.5 cm/month
Step-by-step explanation:
rate = 18 cm / year
There are 12 months in a year
18 cm /year * 1 year/12 months
18/12 cm / month
1.5 inches per month
18 / 12 = 1.5
10+2+2+7+5+3+8+8= 21+24= 45units
isolating?!?
-5.44
multiply add negative sign
I would tell you
you need to put 2 y and 2 x and that you need to divide