Systems of Linear Equations Word Problems: Problem 4

Problem: A group of aliens are gathering for the Annual Alien's Festival. There are four different types of aliens: The One-sided, which are creatures with one head and one leg; The Troublesome Doubles, creatures with two heads each and four legs; Triplets, which are creatures with one head but three legs; Quadraciles, which are creatures with one head but four legs each. There is a total of 58 heads and two heads each and four legs; There is a total of 58 heads and 160 legs. The number of Quadraciles is two times the number of Troublesome Doubles. How many One-sided are there?

Key: Eliminate variables

Please consider subscribing, here's our website: https://inquisitivekids.github.io