Answer:
b
Step-by-step explanation:
I can't explain it but the answer is b
This is I think how you solve this problem you divide both sides by 9 to get x alone and that shows you that x is smaller the -9
I hope this helps!!!
50x30=1500 (this is an approximated rounded answer)
We can write an equation to solve this:
Let x represent amount of Blue Jays.
2x + x = 21
We can simplify the equation:
3x = 21
Divide both sides by 3 to isolate x variable:
x = 7
Therefore, 7 Blue Jays.