Barry Tan's answer to Lavender's Primary 6 Maths Data Analysis Singapore question.
done
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let x be the number he is thinking of
Date Posted:
4 years ago
Dont understand
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
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
Thank
no problem. Good Luck
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