1 Department of Mathematics Education, University of Education, Winneba (Kumasi Campus), Kumasi 00233, Ghana.
2 Institute for Groundwater Studies, University of the Free State, Bloemfontein 9301, South Africa.
3 Mathematics Department, College of Sciences and Humanities Studies Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia and Department of Basic Science, Faculty of Computers and Informatics, Suez Canal University, Ismailia 41522, Egypt.