carol is baking cookies and needs 2 and 1/4 cups of flour, 2/3 cup of white sugar, 1/4 cup of brown suga, and 1/16 cup of baking soda. use this information to answer the following question.
- if the amount of white sugar were increased by a factor of 2 and 1/2, in cups, how much sugar would there be?
A. 2 and 1/2
B. 2 and 3/5
C. 1 and 2/3
D. 1 and 3/5

- anonymous

- katieb

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- anonymous

will fan and medal !

- anonymous

i think all u have to do is add the two fractions together. ( 2/3 + 2 1/2)

- johnweldon1993

No see I was all confused...this wording sucks

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## More answers

- johnweldon1993

It asks for TOTAL sugar...so I was adding white and brown together and was like...umm...no answer

- johnweldon1993

But I guess all they want is White sugar sooo
\[\large \text{Total Sugar} = \text{White Sugar} + \text{Brown Sugar}\]
White sugar = 2/3 cup
If the white sugar is increased by a factor of 2 1/2 we have multiplication:
\[\large\text{White sugar} = \frac{2}{3} \times \frac{5}{2} = \frac{10}{6} = 1\frac{2}{3}\]

- johnweldon1993

That top line was my original thinking...the total = white + brown...but just ignore that

- anonymous

i just copied and pasted it from my work lol i know its confusing theres like 3 more problems and im pellet with fractions

- johnweldon1993

Well look at what I did and let me know if anything doesn't make sense :)

- anonymous

all u have to do is add the amount of white sugar it says then add what it tells u to... i dont get why ur multiplying...?

- johnweldon1993

"increased by a factor of 2 1/2"
increasing by a factor means multiplication :)

- anonymous

i feel dumb lol

- johnweldon1993

Dont...not at all lol fractions are confusing for many people so dont feel dumb :)

- anonymous

can u answer another 1 or 2...?

- johnweldon1993

...perhaps lol

- anonymous

if the amount of flower were increased by a factor of 2 and 1/2 in cups how much flour would there be..? the original amount of flower is 2 and 1/4

- johnweldon1993

Okay so same here
original = 2 1/4
Increased by a factor of 2 1/2
So \[\large \frac{9}{4} \times \frac{5}{2} = ?\]

- anonymous

sorry i had to takemy dog outside

- anonymous

5 and 5/8 ..?

- johnweldon1993

Perfect!

- anonymous

yayy! okay, if only 1/4 the amount of brown sugar were used how much brown sugar would be used ..?

- johnweldon1993

What is 1/4 of 1/4?
\[\large \frac{1}{4} \times \frac{1}{4} = ?\]

- anonymous

1/16..?

- johnweldon1993

correct again :)

- anonymous

last one lol! if only 1/4 the amount of baking soda in the recipe were used, how much baking soda was used..?

- johnweldon1993

What is 1/4 of 2 1/4?
\[\large \frac{1}{4} \times \frac{9}{4} = ?\]

- anonymous

2 and 1/5..?

- anonymous

wait thats wrong

- anonymous

9/16 ii added the first time lol

- johnweldon1993

Lol there ya go :)

- anonymous

can that be simplified...?

- johnweldon1993

Well are there any numbers that go into by 9 and 16 evenly?

- anonymous

cause 9/16 isnt one of my choices lol

- anonymous

my choices are
A. 1/64
B. 1/20
C. 1/16
D. 1/4

- johnweldon1993

Oh omg I used the flour not the baking soda XDD sorry about that
\[\large \frac{1}{4} \times \frac{1}{16}\]

- anonymous

its fine lol and sorry my laptop decided to restart its self

- anonymous

1/64

- johnweldon1993

there ya go...and no im sorry lol

- anonymous

haha its fine i messed up to !

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