Answer:
The last one is 215
Step-by-step explanation:
Let
x ----> the first consecutive number
x+1 ---> the second consecutive number
x+2 ---> the third consecutive number
x+3 ----> the fourth consecutive number
we have that

solve for x
Combine like terms

Subtract 6 both sides


Divide by 4 both sides

Find the last one

therefore
The last one is 215
Answer:
a(217)=638
Step-by-step explanation:
a(n) = a +(n-1)d
a=-1
d=-7+10=-4+7=3
a(n) = -10 +(n-1)3
a(217) = -10 +(217-1)3
= -10+648
=638
hope this helps
Answer:
Step-by-step explanation:
make a graph
plot the points
(36 - 1) ÷ (3 + 2) + 13 = 20.