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ASHA 777 [7]
3 years ago
7

Sheila was making place-value disks. She colored 2/6 of the disks red. She colored 1/4 of the disks yellow. If she colored 40 re

d place value disks, how many disks did she color yellow? How many disks does she still have left to color?
Mathematics
1 answer:
Anastasy [175]3 years ago
8 0

Answer:

She colored 30 yellow place value disks and 50 disks are left to color.

Step-by-step explanation:

Let total number of disks be x.

It is given that, she colored 2/6 of the disks red. She colored 1/4 of the disks yellow.

\text{Red disks}=\dfrac{2}{6}x

\text{Yellow disks}=\dfrac{1}{4}x

She colored 40 red place value disks.

\dfrac{2}{6}x=40

\dfrac{1}{3}x=40

x=120

It means total number of disks is 120.

\text{Yellow disks}=\dfrac{1}{4}x=\dfrac{1}{4}(120)=30

So, she colored 30 yellow place value disks.

Remaining disks = Total disks - Red disks - Yellow disks

               =120-30-40

               =50

Therefore, 50 disks are left to color.

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Use PEMDAS:

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E Exponents (ie Powers and Square Roots, etc.)

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