multiply by 1,000 to change m to km
divide by 15 to change 15 to 1
multiply by 54 to change 1 to 54
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15m
Multiply by 1000
it means 15m on a sj
15m + 4 - 9m - 32 = 6m - 28
15m + 43 = 37m + 12 Take 12 away from each side: 15m + 31 = 37m Take 15m from both sides: 31 = 22m so m = 31/22 = 1.409090..