Mathematics in Industry Reports (MIIR) 1 Value of Domestic Tourists in the Travel and Tourism Industry K.D. Anderson 1 †, K.A. Moipolai 2 1 Department of Mathematics and Applied Mathematics, University of Johannesburg, Gauteng, RSA 2 Department of Mathematical Sciences, University of South Africa, Gauteng, RSA (Communicated to MIIR on 10 January 2022) Study Group: MISG South Africa 2021, MISGSA 18, Virtual Study Group, Monday 1 February - Friday 5 February 2021 Communicated by: David P. Mason, University of the Witwatersrand, South Africa. Industrial Partner: Dr Lombuso Precious Shabalala, University of Mpumalanga, South Africa. Presenter: Dr Lombuso Precious Shabalala, University of Mpumalanga, South Africa. Team Members: Mathew O. Aibinu, Durban University of Technology, South Africa; Keegan D. Anderson, University of Johannesburg, South Africa; Kesaobaka A. Moipolai, University of South Africa, South Africa; Beaullah Mugwangwavari, University of the Witwatersrand, South Africa; Zachary Gitei Njuguna, African Institute of Mathematical Sciences (AIMS), South Africa; Patrick M. Tchepmo Djomegni, North-West University, South Africa. Industrial Sector: Tourism Tools: Optimisation Key Words: Domestic tourists, optimisation, tourism MSC2020 Codes: 90 † Corresponding Author: kdanderson@uj.ac.za