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primary 6 | Maths | Data Analysis
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Lavender
Lavender

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

Please help

Date Posted: 3 years ago
Views: 249

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Teo Jer Rei
Teo Jer Rei's answer
12 answers (A Helpful Person)
Alternatively, we can let original number be X. New number will be 100X.

Sum of original number and 4 times new number is:
1X + 400X = 401X

Since 401X = 1194.98,
1X = 1194.98 / 401 = 2.98

Original number is 2.98

Hope this helps!
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Barry Tan
Barry Tan's answer
128 answers (Tutor Details)
1st
let x be the number he is thinking of
Lavender
Lavender
3 years ago
Dont understand
Barry Tan
Barry Tan
3 years ago
let the unknown number be x
then when you move the decimal point 2 times to the right it will become 100x
4times of new number is 400x
the sum will be 401x
then now you use division to find the value of x here
Lavender
Lavender
3 years ago
Thank
Barry Tan
Barry Tan
3 years ago
no problem. Good Luck