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primary 6 | Maths | Fractions
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primary 6 Maths Fractions Singapore

Teacher pls help me

Date Posted: 4 years ago

Comments 2 add a comment

Bethany

4 years ago

Did u try though ?

Snell

4 years ago

at first
total: 14u
cburg: 4u
fish: 10u

sold
cburg: 168
fish: 10u . 4/5 = 8u
total = 8u + 168

after
cburg: 4u - 168
fish: 10u . 1/5 = 2u
total = 6u - 168

3/14 of orig. = 3/14 . 14u = 3u

6u - 168 = 3u
1u = 168/3 = 56

616 sold

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The table organises the information for the cheeseburgers and fishburgers.

4/5 of the fishburgers sold and so 1/5 of the fishburgers was left. (These are fractions of the FISHBURGERS. When they are multiply with the fraction representing fishburgers, you will get the fractions of the total number of burgers. 2/14 of the TOTAL NUMBER was fishburgers left.

3/14 of the TOTAL NUMBER of burgers were left. So, 1/14 of the TOTAL NUMBER of burgers were cheeseburger left since 2/14 of the TOTAL NUMBER were fishburger left.

Then, we can find the fraction of the TOTAL NUMBER for cheeseburger sold.

Date Posted: 4 years ago

Comments 3 add a comment

Jane Lee

4 years ago

But why is 168 1/14?

Priscilla Ng

4 years ago

In my working, 168 is equated to 3/14 which is the fraction of the total number for cheeseburger sold.

Jane Lee

4 years ago

Ok,I understand a lot better now. Thank you