Answer:
The third option is the correct answer
The correct equation is,2(s - 12) + s =87
s= 37
Step-by-step explanation:
It is given that Ara and Evalyn are collecting stamps
Ara has twice as many stamps as 12 less than the number of stamps Evalyn has.
Together they have total 87 stamps.
<u>To find the correct equation
</u>
Let s be the number of stamps in Evalyn.
The number of stamps in Ara = 2(s - 12)
They together have 87 stamps
Therefore the equation become,
2(s - 12) + s = 87
<u>To find the value of s
</u>
2(s - 12) + s = 87
2s - 24 + s= 87
3s = 111
s = 37
Therefore the correct answer is 3rd option.