Ten function f(t)= 5400(1.055)^7t represents the change in a quantity over t weeks. What does the constant 1.055 reveal about the rate of change of the quantity

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20