6. A dinner costs $4.99. Joanie plans to tip the waitress 15%. How much is the tip? (TEKS
7.4D-R)
A $0.15
B $0.75
C $5.14
D $5.74

The tip given to waitress is $0.75. Option B is correct.

Step-by-step explanation:

Cost of Dinner = $4.99

Tip to be given to waitress = 15%

We need to find the cost of tip.

The tip would actually be given 15% of the dinner cost i,e

Tip = 15% of 4.99

Solving to find tip cost

So, the tip given to waitress is $0.75. Option B is correct.

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.