You plug in n = 1 and solve, n= 2 then 3 etc.
n=1, a1 = 36-5(1-1) = 36
n=2, a2 = 36-5(2-1) = 31
n=3, a3 = 36-5(3-1) = 26
Answer:
You would earn $81.25 per week.
Step by step process:
1 hour = $6.50 ( per hour means what you would get in an hour's time.)
12 1/2 = x
If more less divides. Let x be the subject. ( 12 1/2 is the same as 12.5 or 25/2)
x = 12.5 hours × $6.50 / 1 hour ( 1 hour will cancel out 12.5 hours 12.5 times.)
x= 12.5 × $6.50
x = $81.25