ANSWER THE QUESTION BELOW AND YOU WILL GET 50 GOOD POINTS, PROBABLY BRAINIEST AS WELL!!!!!!! WITH DETAILED SOLUTION PLEASE.

Answer:
a) 120
Explanation:
y is 100%
x is 130%
solve:
130% ↔ 520
100% ↔ (520/130)*100
100% ↔ 400
the X - Y:
520 - 400
120