Answer:
48,484.8
Step-by-step explanation:
290908.8?
242424/100=2424.24 per one percent
2424.24x20=48484.8
242424+48484.8=290908.8
In the picture
No
Substitute by x = 2 and y = - 1
You will get 2*2 + (-1) = 3 not 5
Then it doesn't lie
n=5
n=9
n=12