Jamal works part-time earning $8,000 per year. He reduces his work hours by half so that he can go to school. Jamal completes hi
s degree after 3 semesters (1.5 years) at a cost of $1,400 per semester in tuition and $500 per semester in books. What was Jamal's investment in getting his degree?
We know the rule of change: a b/c= (ac+b):c So we have 2 7/8= (2x8+7):8= 23/8 and the second: 2 1/4 = (2x4+1):4= 9/4 We do the division: 23/8: 9/4= 23/8 x 4/9= (23x4):(8x9)= 23/18= 1 5/18
