In how many ways can you pay a bill of 107 Misos, math homework help

  • Ten years ago, the ages of the members of a joint family of eight people added up to 231 years.Three years later, one member died at the age of 60 years and a child was born during the same year. After another three years, one more member died, again at 60, and a child was born during the same year. The current average age of this eight-member joint family is nearest to?
  • Suppose you have a currency, named Miso, in three denominations: 1 Miso, 10 Misos and 50 Misos. In how many ways can you pay a bill of 107 Misos?