Answer:
× 
Step-by-step explanation:
500
= 2 x 250
= 2 x 10 x 25
= 2 x 2 x 5 x 5 x 5
=
× 
First you need to give both fractions a common denominator lets say 40. So N would be 8/40 and Z would be 35/40, so Z collected more than N. All together they collected 43/40 which simplifies to be 1 and 2/40 which would again simplify to 1 and 1/20.
Answer:
D
Step-by-step explanation: