answers@onSponge: Recent Topics
http://www.onsponge.com
Mon, 13 Jul 2020 02:33:25 +0800onSponge Pte Ltden-gbP5 Math : Ratio - by: HG Tan
http://www.onsponge.com/forum/35-thinkingmath/28841-p5-math-ratio#31195
http://www.onsponge.com/forum/35-thinkingmath/28841-p5-math-ratio#31195
Anyone can help with this questions?

Thank in advance.

"In 2003, the ratio of Anna's age to Lina's age is 3:5. In 2009, the ratio of Anna's age to Linas age is 2:3. What is their combined age in 2014?]]>thinkingMathFri, 10 Jul 2020 11:12:20 +0800