Answer:
X= 5Y
 4
Step-by-step explanation:
Jim earns $x per hour
he takes 4 hours to earn enough to buy a particular jacket 
therefore = (x) ×4
 = 4x ( value of Jacket)
Tom earns $Y per hour
it takes him 5 hours to earn enough to buy the same jacket
therefore (y) × 5
 = 5Y price of jacket
Cost of Jacket 
4X=5Y
x= 5Y  ( Cost of the Jacket)
 4