'use strict'

function divideByAndSum (num, array) {
  try {
    array.map(function (item) {
      return item / num
    }).reduce(function (acc, item) {
      return acc + item
    }, 0)
  } catch (err) {
    // to guard for division by zero
    return 0
  }
}

module.exports = divideByAndSum