Question

A clock gains s seconds in one hour. In its simplest form, write down an expression in term of s and d for the number of minutes it gains in d days.

Answer 1

in 1 hour it gains s seconds
in 1 day it gains 24s seconds
in d days it gains 24sd seconds
in d days it gains 24sd/60 minutes

in d days it gains 2sd/5 minutes