Michael has 5^2 boxes. There are 5^1 kg of apples in each box. When empty , a box weighs 5^-2 kg

michales-boxes

#1

Michael has 5^2 boxes. There are 5^1 kg of apples in each box. When empty , a box weighs 5^-2 kg. Part A: what is the total weigh of Michales boxes, when empty?
Part b: how many kilograms of apples does Michael have in all?

Answer:

Part A)
Empty box weight= #boxes(box weight)
Empty box weight= (25 boxes)(1/25 kg/box)= 1 kg

Part B)
Kg of Apples= #apples(apple weight)
apples is the same as the # of boxes
Kg of Apples=(25 apples)(5 kg/apples)= 125 kg