We are given
Ronaldo delivers the papers at the rate of 6 papers in 24 minutes
so, number of papers =6 in time =24 minutes
so, firstly we can find rate
rate = ( number of papers)/( time taken)

now, we can find times
Time for 56 papers:
we are given
number of papers =56
rate is

now, we can find time



Time for 41 papers:
we are given
number of papers =41
rate is

now, we can find time



now, we can find time difference

so, we can plug values

..............Answer