Brian Lau's answer to Xin's Primary 6 Maths Ratio Singapore question.
done
{{ upvoteCount }} Upvotes
clear
{{ downvoteCount * -1 }} Downvotes
Since A is the common variable of the two given ratios, we have to multiply each ratio by 4 and 3 respectively to get A=12 in both ratios. Then, the two ratios can be combined into A:B:C because the common variable A is now 12 for both ratios.
Date Posted:
2 years ago
360 Tutoring Program