Answer:
Step-by-step explanation:
R = 7
Shouldn’t be the domain equal to all real numbers?
Answer:
Maria is 5
Steve is 2
Steve
Step-by-step explanation:
10/2=5
6/3=2
Answer:
$55
Step-by-step explanation:
Let b represent the original bill. The problem statement tells us ...
20% × (b -6) = 9.80
Dividing by 20% gives ...
b -6 = 49.00
b = 55.00 . . . . . . . add 6
Their bill before the discount was $55.00.
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<em>Comment on the tip</em>
It is generally considered better form to tip on the basis of the original bill before coupons and discounts.
