Question

Jeremiah and Tristan work at a dry cleaners ironing shirts. Jeremiah can iron 35 shirts per hour, and Tristan can iron 20 shirts per hour. Jeremiah and Tristan worked a combined 17 hours and ironed 490 shirts. Determine the number of hours Jeremiah worked and the number of hours Tristan worked

Answer 1

(35 x 10) + (20 x 7) = 490

You need to use guess and test. Jeremiah worked 10 hours, and Tristan worked 7 hours.