Question

Pablo is a technical writer who works 7.5 hours per day. He spends twice as much time on writing tasks as he does on other work tasks. How much time per day does he spend on writing tasks?

Answer 1

x = writing, y = other tasks

x + y = 7.5
x = 2y

2y + y = 7.5
3y = 7.5
y = 7.5/3
y = 2.5 ...2.5 hrs on other tasks

x = 2y
x = 2(2.5)
x = 5 <=== 5 hrs on writing