a box contains 1 3/4 pounds of pancake mix. Jada used 7/8 pound for a recipe. What fraction of the pancake mix in the box did sh
e use?
1 answer:
Answer:
Jada used 1/2 of the pancake mix in the box
Step-by-step explanation:
we know that
-----> represent the 100% of the box
so
by proportion
Find what fraction represent ![\frac{7}{8}\ pounds](https://tex.z-dn.net/?f=%5Cfrac%7B7%7D%7B8%7D%5C%20pounds)
First convert mixed number to an improper fraction
![\frac{100}{(7/4)}=\frac{x}{(7/8)}\\ \\x= 100*(7/8)/(7/4)\\ \\x=50\%](https://tex.z-dn.net/?f=%5Cfrac%7B100%7D%7B%287%2F4%29%7D%3D%5Cfrac%7Bx%7D%7B%287%2F8%29%7D%5C%5C%20%5C%5Cx%3D%20100%2A%287%2F8%29%2F%287%2F4%29%5C%5C%20%5C%5Cx%3D50%5C%25)
Convert the percentage into fraction
![50\%=50/100=1/2](https://tex.z-dn.net/?f=50%5C%25%3D50%2F100%3D1%2F2)
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Answer:
7i..........................
Half of 2/3 is:
![\frac { 1 }{ 2 } \times \frac { 2 }{ 3 } =\frac { 1 }{ 3 }](https://tex.z-dn.net/?f=%5Cfrac%20%7B%201%20%7D%7B%202%20%7D%20%5Ctimes%20%5Cfrac%20%7B%202%20%7D%7B%203%20%7D%20%3D%5Cfrac%20%7B%201%20%7D%7B%203%20%7D%20)
This means that 1/3 was left. This also means that they ate 1/3 of the lasagne.
Model diagram can be seen in attachment.
Answer:
|\
l \
l \
l \
l______\
Step-by-step explanation:
If the area of one is 20, that the area of 30 is 20*30=600 square inches.