Abi's and Kimberly's savings were in the ratio of 4 : 9. Both of them shared the cost of their mother's present equally. Abi's remaining savings was ¹₄ as much as Kimberly's savings. What percentage of her savings did Abi spend? Correct the answer to 1 decimal place.

	Abi	Kimberly	Difference
Before	4x3 = 12 u	9x3 = 27 u	5x3 = 15 u
Change	- 7 u	- 7 u
After	1x5 = 5 u	4x5 = 20 u	3x5 = 15 u

Since Abi and Kimberly shared the cost of their mother's present equally, the amount each paid for the present is the same. 

So, the difference in the amounts between Abi and Kimberly at first and in the end remains the same.  Make the difference in the amounts between Abi and Kimberly at first and in the end the same. LCM of 5 and 3 is 15.

Amount that Abi spent on the present
= 12 u - 5 u
= 7 u

Percentage of her savings that Abi spent
= ⁷₁₂ x 100%
≈ 58.3%

Answer(s): 58.3%