Finding one fifth of a number is the same as multiplying the number by 1/5, or 0.2. In this instance, 45 x 0.2 = 9.
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one-fifth of a ton is 400 pounds
44
182/45
one fifth of 45 is:1/5 x 45 = 45/5= 45 ÷ 5= 9
Two 10th equals one fifth: 2/10 = 1/5