Question

Use the table to answer the question.

How much do 4 paintbrushes cost?
A. $4
B. $7
C. $8
D. $10

Answer 1

C. $8

Step-by-step explanation

The first paintbrush costs $2 and the 2nd one costs $4.

See a pattern? If you add 2+2+2+2 then it's $8

Answer 2

$8

Explanation:

y = 2x

y = 2(1)

y = 2

y = 2(2)

y = 4

y = 2(3)

y = 6

y = 2(4)

y = 8

Hope this helps!