I: 2x+y=5
II:3x+2y=4
start by eliminating y
-2*I: -4x-2y=-10
II: 3x+2y=4
add both equations together
-2*I+II: -4x-2y+3x+2y=-10+4
-1x=-6
x=6
insert x=6 into I:
2*6+y=5
y=5-12
y=-7
so the solution is x=6, y=-7
Answer:
A) Ian will arrive first.
B) 6 Kilometers
C) 15 Minutes
Step-by-step explanation:
18.386 rounded to the nearest hundredth would be 18.39
Answer:
3 multiply by 6 multiply by 5
= 90 cm²
