Answer:
7 cm
Step-by-step explanation:
Create and solve an appropriate equation: Maria's earnings = Liam's earnings
0.20x = $625+0.10x.
Find x.
0.10x = $625; thus, x = $6250. At this level of food sales, these two people earn the same amount.
The answer is 4x-6. Good luck! :D
R = 8.54in.................................
