Math - Darlene was hired to teach 3 identical math courses, which entailed being

Darlene was hired to teach 3 identical math courses, which entailed being present in the classroom 48 hours altogether. At $35 per class hour, how much did Darlene earn for teaching 1 course? 

a. $105 

b. $560 

c. $840 

d. $1,680

Answer: b. $560 

Take the number of classroom hours and divide by the number of courses: 48 ÷ 3 = 16 hours per course. Now multiply the number of hours taught for one course by the pay per hour: 16 × $35 = $560.