1 5th is the average amount of rainfall because its most common
3x+y=17
x+2y=49
Times 3 for both side
3x+6y=147
-
3x+y=17
=
5y=130
Divided 5 for both side:
y=26
3x+y=17
3x+26=17
Subtract 26 for both side
3x=-9
Divided 3 for both side
x=-3. Hope it help!
Answer:
4.5km
Step-by-step explanation:
2cm=1km
9cm=xkm
so to get from 2 to 9 all you do is multiply by 4.5 so do this the km and you will get 4.5km :)
maybe 1/5 (409) ::(880) 1+2
X=6..Need an explanation?