JS 7 if else and ternary.js

// Complete function saleHotdogs/SaleHotDogs/sale_hotdogs, function accept 1 parameters:n, n is the number of customers to buy hotdogs, different numbers have different prices (refer to the following table), return a number that the customer need to pay how much money.

// number	price (cents)
// n < 5	100
// n >= 5 and n < 10	95
// n >= 10	90
// You can use if..else or ternary operator to complete it.

function saleHotdogs(n){
    return n<5 ? n*100 : n<10 ? n*95 : n*90;
  }

//OR

function saleHotdogs(n){
    return n*(n<5?100:n<10?95:90);
  }