Question

5P1 – 2P2 = 15 and –P1 + 8P2 = 16

Answer 1

Answer:

P1 = 4; P2 = 5/2

Step-by-step explanation:

5P1 - 2P2 = 15 ....(1)

-P1 + 8P2 = 16 ....(2)

(1)*4 + (2)

20P1 - 8P2 -P1 + 8P2 = 60 + 16

19P1 = 76

P1= 76/19

Thus, P1 = 4

Therefore, P2 = (16 + P1)/8

P2 = 20/8

= 5/2 or 2.5

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