Answer:
20
Step-by-step explanation:

If my calculations are correct, the percentage decrease faced here is roughly 38.2%. Based on the calculations, the bicycle costs 199$ and when the cost is subtracted from 520, you would create the percentage of 38.2%.
Here is the math, did it on paper, sorry it’s blue. just add parenthesis around the x in the second equation and add what x equals. then solve as PEMDAS.
Answer:
48
Step-by-step explanation:
27+36-15=63-15=48
343 is the answer because 14 tens is 1 hundred and 4 tens