Jason hiked 14.3 kilometers on Saturday, 21.8 kilometers on Sunday, and 19.7 kilometers on Monday.
Add 14.3, 21.8, and 19.7 together.
14.3 + 21.8 + 19.7 = 55.8
He hiked 55.8km during the three days.
to solve for "how many kilometers ... he hike during the three days", add the three numbers.
55.8 kilometers is your answer
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-4x+11y=15
x=2y
-4*2y+11y=15
-8y+11y=15
3y=15 //3
y=5
x=2*5
x=10
Answer:
D
Step-by-step explanation:
It's a line with many solutions like
When x=1 y=1
X=2 y=-2
And so on all the pts on the line
