3.5
3.5
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Three halves is one and a half, or 1.5 when written as a decimal.
3.5
It is three fourths or 0.75 in decimal.
The answer to one half times five and three fifths is 2.8. To make it easier, take the fraction of three fifths, and convert it into decimal form, which is 0.6. Add 5 to that. Take the fraction of one half and convert that into decimal form, which is 0.5. Now multiply 0.5 and 5.6, and you get your answer.
We write .5 or 0.5 as the decimal for one half.