In a chemical reaction between copper metal and silver nitrate, 12.7 g of copper(II) and 64.5 g of silver nitrate react, and 38.
1 answer:
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Answer:
a . eight tenths of her cookies
Explanation:
Let the total number of Lakesha's cookies be represented by x.
So that;
She gave three tenths to Bailey = of x
=
She gave five tenths to Helen = of x
=
Fraction of Lakesha's cookies given away = +
=
=
Thus, the fraction of cookies given away by Lakesha is .