D is the one that is decreasing
Multiply the cost by 1.2 (120%) to add 20% tip, and then multiply by 0.85 (85%) to take off 15%
78.96 x 1.2 x 0.85 = 80.54
Sally is 6 and Tomas is 3 so
6 +(3×2)
and 6-3
Answer:
If we solve any such equation and get the answer as 0 = 0 so this means that system of equations has infinite solutions.
Step-by-step explanation:
<h2>Hope it helps you!! </h2>
