Step-by-step explanation:
2 + x + 2x = 14
3x + 2 = 14 (combine like terms)
3x = 12 (subtract 2 from both sides)
Hence the answer is 3x = 12. (B)
Total Cost C = 10*150 + 20*50
= 2500 pence
Answer:
Answer 1. 5 Answer 2. 60 Answer 3. 37
625