<span>Maria tiene 32 kg y javier tiene 51 kg
</span>
(google translate, bad spanish)
3y (y is the unknown number but it represents one number only... and also 3y represents 3 multiply by y)
Solved using proportions.
Answer:
Selena is correct because she simplified correctly and then evaluated correctly after substituting the values for the variables.
I did this lesson i asked my teacher to help me but i did this problem on my own so i hope its right :)
Step-by-step explanation: