no c q desir xd slnddlnsod
Answer:
£132
Step-by-step explanation:
15% of 520 is 78
15% of 360 is 54
78 + 54 = 132
You can cross multiply for this problem. So:

So K=35!
Hope this helps! :)
Answer:
They represent am unknown number
3^y power because it was stated that y is greater than x so a number to the power of y will always be greater than a number to the power of x. Btw that looks a lot like the one I have lol