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Secondary 1 | Maths
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rick
Rick

Secondary 1 chevron_right Maths chevron_right Singapore

can someone pls help n explain how to do :((

Date Posted: 7 months ago
Views: 106
sstrike
Sstrike
7 months ago
3 = 28 - ⁵⁄₁₂ ∙ x

28 - ⁵⁄₁₂ ∙ x = 3

25 - ⁵⁄₁₂ ∙ x = 0
⁵⁄₁₂ ∙ x = 25

"÷5 " at both sides →
¹⁄₁₂ ∙ x = 5

"×12" at both side →
x = 12×5 = 60 (Ans)
rick
Rick
7 months ago
isit i js times all the numbers thr by 12?? i dnt understand ur working sry
rick
Rick
7 months ago
how do i get rid of the denominator if the numerator is nt 1

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salted egg
Salted Egg's answer
112 answers (A Helpful Person)
1st
hello! hope this helps. to make fraction into whole number, u multiply the fraction by its denominator. eg. 3/4 x 3 = 3 (whole number! :D)
rick
Rick
7 months ago
ohh so for eg if i have like 5/20 i js multiply by 20?
salted egg
Salted Egg
7 months ago
yupp! 5/20 multiplied by 20 is 5 :) (u can use ur calculator to see)
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sstrike
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5566 answers (A Helpful Person)
Try