Penelope's and Gillian's savings were in the ratio of 2 : 5. Both of them shared the cost of their cousin's present equally. Penelope's remaining savings was ¹₅ as much as Gillian's savings. What percentage of her savings did Penelope spend? Correct the answer to 1 decimal place.

	Penelope	Gillian	Difference
Before	2x4 = 8 u	5x4 = 20 u	3x4 = 12 u
Change	- 5 u	- 5 u
After	1x3 = 3 u	5x3 = 15 u	4x3 = 12 u

Since Penelope and Gillian shared the cost of their cousin's present equally, the amount each paid for the present is the same. 

So, the difference in the amounts between Penelope and Gillian at first and in the end remains the same.  Make the difference in the amounts between Penelope and Gillian at first and in the end the same. LCM of 3 and 4 is 12.

Amount that Penelope spent on the present
= 8 u - 3 u
= 5 u

Percentage of her savings that Penelope spent
= ⁵₈ x 100%
≈ 62.5%

Answer(s): 62.5%