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Mashutka [201]
3 years ago
13

Allison used 2.5 half cups of flour to make a cake, and 3 over 4of a cup of flour to make a pie. If she started with 4 cups of f

lour, how many cups of flour does she have left?
Mathematics
1 answer:
Gennadij [26K]3 years ago
3 0

Answer: Allison has 3/4 cups of flour left.

Step-by-step explanation:

Allison used flour twice, the first time she used 2.5 cups of flour, and the second time she used 3/4 cups of flour. Let's convert these two the the same unit.

2.5= 2 1/2 or 5/2

Let's make this have the same base so it will be easier to add 3/4 to it.

5/2=10/4

We know she used both of these amounts of flour so let's add them. 10/4+3/4=13/4

We know she used 13/4 cups of flour. Let's convert 4 cups of flour to have the denominator of 4.

4=16/4

Now, we just have to subtract how much flour she used to make the pie and cake.

16/4-13/4=3/4

Allison has 3/4 cups of flour left.

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