They asked which was equivalent not whats the value of the expression -_-
Wheres the rhombus and ill answer your question
Answer:

Step-by-step explanation:

90 = 30+10+3x
This equation shows that all the prices of the the bag, eraser, and pencils equals $90. So now all we have to do to find the price of a pencil is solve the equation.
First add the 30 and 10 together.
90 = 40+3x
Then subtract 40 from each side
50 = 3x
Lastly divide each side by 3
x = 16.67
The price per pencil is $16.67
Hope this helps!
Answer:
Is this cooking because if it is why would we need to answer that just ask another adult because this app is for home work or school work not for cooking