Answer:
Step-by-step explanation:No profit, no loss.
Total CP =3000+3000=Rs.6000
SP of I =
100
(100+20)
×3000=Rs.3600
SP of II =
(100−20)
×3000=Rs.2400
Total of SP =Rs. 3600+Rs. 2400=Rs. 6000
∴ no profit, no loss
Answer: −2.543
Step-by-step explanation:
6 phones and 18 accessories
12P + 3.50A = 135
A = 12 + P
12P + 3.50(12 + P) = 135,
12P + 42 +3.50P = 135
15.50P = 93
P = 6 phones
A = 12 + 6 = 18 accessories