Question

it takes 7/4 minutes to wrap a parcel and a half a minute to address it.How long does it take to wrap and address 30 similar parcels​

Answer 1

Answer:

7/4 of one minute = 7/4 * 60 seconds

= 15 *7

=105 seconds

Half a minute = 30 seconds

Time taken for 1 parcel= 105 + 30 seconds

= 135 seconds.

Time taken for 30 such parcels= 135*30

= 4050 seconds