Answer:
100x19=1,900
Step-by-step explanation:
the answer is A
Zinnia = 50[x] +13
Rubu= 50[y]
Graham: -50x + 14,040
Max: 20x + 12,500
Graham = Max
-50x + 14,040 = 20x + 12,500
<u>+50x </u> <u>+50x </u>
14,040 = 70x + 12,500
<u> -12,500 </u> <u> -12.500 </u>
1,540 = 70x
220 = x
Answer: 220 minutes <em>(3 hours 40 minutes)</em>