Answer:
20
Explanation:
1/3 + 1/5 + 3/10 = 10/30 + 6/30 + 9/30 = 25/30 = 5/6
6/6 - 5/6 = 1/6
1/6 OF 120 of = x therefore 1/6 x 120 / 1 = 120/6 = 20
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