R = 10a - 20
ur revenue totaled 110...so R = 110
110 = 10a - 20
110 + 20 = 10a
130 = 10a
130/10 = a
13 = a <== so u spent $13 on advertising
Answer:
Three (3) is the correct answer
Answer:4,200
Step-by-step explanation:
Answer:
95435.20 miles
Step-by-step explanation:
just add them both together
Answer:
117.5
Step-by-step explanation:
y= 3.5x + 30, where x = his number of toys sold
y= 3.5(25) + 30
y= 117.5
