sstrike's answer to Vk's Primary 5 Maths Fractions Singapore question.
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$2.50 : $4 = 5 : 8
5×3+1×(5+8) = 28
$546÷28 = $19.50
5×3×19.50÷2.50 = 117 (Ans)
5×3+1×(5+8) = 28
$546÷28 = $19.50
5×3×19.50÷2.50 = 117 (Ans)
Date Posted:
3 years ago
How to get 5:8 ?
2.5：4=5：8
（×2 at both sides）
（×2 at both sides）
It's been stated in the picture already
Oh. 2.50 also can be ratio
Thank thank . I got it. Thank you
Usually for ratio we leave it in whole numbers at your level.
So the 2.50 : 4 is changed to 5 : 8
So the 2.50 : 4 is changed to 5 : 8
Vk u r welcome
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