Answer:
Step-by-step explanation:
s(1-30/100)=420
s(100-30)/100=420
s(70/100)=420
s(7/10)=420
7s=4200
s=600
the area of land is 4.9*6.2*0.225=6.8355m^3 (6.8355m^3/0.87≈7.85 yes you have enough
You show the text of the problem, but you need to show the figure too.
Answer:
8
Step-by-step explanation:
if you substitute 3 for x the equation becomes y=2(3) + 2
using order of operations you multiply 3 by 2 and then add 2 which will give you 8