SOLUTION: Hi Can you please help this. I got 7/8 is an answer. I dont know if iam right. So please help me Thanks in advance! mrs wong bought 2 types of ingredients, flour and sugar to

Question 1140785: Hi
Can you please help this. I got 7/8 is an answer. I dont know if iam right. So please help me
Thanks in advance!
mrs wong bought 2 types of ingredients, flour and sugar to make some cookies. she used the same amount of flour and sugar for the cookies, had 3/4 of the flour and 3/8 of the sugar left.what fractions of the total ingredient bought was used to make the cookies?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
As I understand the problem, suppose she had 1 unit of flour, and now has 3/4 left. Then she used 1/4 a unit of flour.
Because she used the same amount of sugar, she used 1/4 a unit of sugar as well.
But 3/8 of a unit of sugar is left.
So she started with 1 5/8 units of both, 1 of flour and 3/8+1/4=5/8 of a unit of sugar.
This is 13/8 units of ingredients
She used 2/4 or 4/8 units, 1/4 for each
She used 4/8 divided by 13/8 or 4/13 of the total amount.
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