703+620≈1320
first you have to round 703 to 700, because it's an estimation, then you can add 700 to 620, and it'll be easier than 703+620.
3x+y=9 ....(1)
3x-5y=15. ......(2)
-[3x-5y=15]
=> 3x+ y = 9
-3x+5y=-15
..........................
0 +6y=-6
so,y=-1
3x+(-1)=9
3x=10
x=10/3
Answer:8 miles
Step-by-step explanation:
If he’s traveling at 4 miles and hour and he traveling for two hours it would be 8 miles
