Answer:
130x+150y=1,920
Step-by-step explanation:
Why that is the equation is he learned 130 words per month in Portugal and 150 words per month in Brazil. Added together it is 1,920.
So the equation is 130x+150y=1,920.
Answer:
YES
Step-by-step explanation:
the x-values and y-values are consistent
Answer:
<h2>-34</h2><h2 />
Step-by-step explanation:
4x - 5y x=4 , y=10
= (4*4) - (5*10)
= -34