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primary 5 | Maths | Rate & Ratio
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Madmath
Madmath

primary 5 chevron_right Maths chevron_right Rate & Ratio chevron_right Singapore

I need help for A. Will try B once I understand.

Date Posted: 10 months ago
Views: 252
AC Lim
AC Lim
10 months ago
a) Apple after sold 60% = 3 × 40% = 1.2
New ratio A : O
= 1.2 : 10
= 12 : 100
= 3 : 25
Madmath
Madmath
10 months ago
Thank you
AC Lim
AC Lim
10 months ago
b) answer 400. You do the working.
Madmath
Madmath
10 months ago
May I ask why can’t I simplify it by dividing? Instead I have to change 1.2 to 12?
AC Lim
AC Lim
10 months ago
Can also..
You will get
0.3 : 2.5
But ratio need to be a whole number.
In the end, answer need to multiply to 3:25
Madmath
Madmath
10 months ago
Ok, thank you

See 1 Answer

a) Apple after sold 60% = 3 × 40% = 1.2
New ratio A : O
= 1.2 : 10
= 12 : 100
= 3 : 25
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AC Lim
Ac Lim's answer
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