Anita collects shells and stones in a ratio of 2 to 1. If she has total of 8 shells , how may stones does he have?

She has 4 stones.

If the ratio is 2:1, 8:4 is equivalent to that ratio.

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

c

step-by-step explanation: