Table:
x values: 5, 10, 15, 20, 25
y values: 7, 14, 21, 28, 35
(x
1
,y
1
)=(2,3) and (x
2
,y
2
)=(4,7)
by midpoint formula, coordinates of mid point =(
2
x
1
+x
2
,
2
y
1
+y
2
)
=(
2
2+4
,
2
3+7
)=(
2
6
,
2
10
)=(3,5).
Answer:
3n + 5
Step-by-step explanation:
You can't add 5 to 3n. So in 5 years he will 3n + 5.