Answer:
Step-by-step explanation:
a. amt. of weeks and hours worked
Hope this helps
Adding 10 to both sides.
Adding to both sides.
Dividing both sides by 10.
∴
1/2a = -5
a = (-5 x 2) : 1
a = -10
8 - b = 9,5
b = 8 - 9,5
b = -1,25
0,1 = -10c
c = 0,1 : -10
c = -0,01
I hope it's helpful.
I really don't know but just use a calculator