Answer:

Step-by-step explanation:
Required
Write an equation to present her daily earnings?
Let daily sales be represented by x and daily earnings be represented by y.
y is calculated as thus;


Convert percentage to decimal


Hence, her daily earnings is 
Answer:
5 2/3 I think
Step-by-step explanation:
divide 68 by 12
Answer:
56 + 8x
Step-by-step explanation:
8(7) + 8(x)
= 56 + 8x