(M+6)/36 = P-7/21
(M+6)7/12=P-7
7M+42=12P-84
7M=12P-126
7M=12P-126
M=(12P/7)-18
Hence the answer is E
Temperature scales problems
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parallel_chase
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(M+6)/36 = P-7/21ddm wrote:M+6 = 12/7P - 12
How did u get this?
M+6 = 36(P-7)/21
M+6 = 36P/21 - 36*7/21
M+6 = 12P/7 - 84/7
M+6 = 12P/7 - 12
M = 12P/7 - 12 - 6
M = 12P/7 -18
Hope this helps.












