Add these together.
You get -15y=-45
So y=3
Now plug in to first equation.
8x-8(3)=-16
8x-24=-16
8x=8 so x=1
Check both values in second equation.
-8(1)-7(3)=
-8-21=-29
It works...so x=1, y=3
36 divided by 4 = 9
so then you take 3 times 9 which is 27 so the answer is
g=27
Hey you can go on Gauthmath it will have more people online to help you
The answer is Thursday and Sunday hope this helps :D
Answer:
5 hours
Step-by-step explanation:
if they hike 3 miles per 1 hour, and you divide 15 (miles) by 3 (miles) you get 5 hours because each hour they walk 3 miles
(so sorry if this is confusing!! its very hard to explain for me lol)
