Answer:
3649.3
Explanation:
j=50 , m=87 , s=174
56m / 43 - 65j + 39s =
(56 * 87) / 43 - (65 * 50) + (39 * 174) =
4872 / 43 - 3250 + 6786 =
113.3 - 3250 + 6786 = 3649.3
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