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Answer

If there were 20u fruits at first, there were 2ou * 4/5 = 16u apples and 4u oranges.

3/4 of fruits were removed and left with 20u /4 = 5u fruits.

5u = 16u/8 + 30

5u = 2u + 30

3u = 30

u = 10

20u = 200

There were 200 fruits in the crate at first.

 

Check:

200/4 = 50

200 * 4/5 = 160

160/8 = 20

20 + 30 =50 Checked

1 Reply 1 Like ✔Accepted Answer

Hi, why is it 20u at first?

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20u because 3/4 of it is 15u, and if I used 10u, will end up with 7.5u or 7 1/2 u. I would like to avoid fraction or decimal so that when doing simple algebra will be easier for the kids. So commonly use number would be 10, 12, 24 etc. If need very big number to avoid decimal, I may just use some number like 10 and can tolerate .5 type of decimal. 

1 Reply 2 Likes

Understood! Thank you for taking the time to explain 🙏🙏

0 Replies 2 Likes