Erika bought 27 mangosteens and 11 mangoes on Friday. Each day, she ate 5 mangosteens and 1 mango. She started eating her fruits on Saturday.

1. At the end of which day would there be an equal number of mangosteens and mangoes left? Give your answer in the following format. (Eg Monday)
2. How many more mangoes than mangosteens were there on Wednesday?

	Mangosteens	Mangoes
Before	27	11
Change	- 5 u	- 1 u
After	27 - 5 u	11 - 1 u

(a)
Let the number of days be 1 u.

The number of mangoes and mangosteens in the end is equal.

27 - 5 u = 11 - 1 u
5 u - 1 u = 27 - 11
4 u = 16

1 u = 16 ÷ 4 = 4

Erika ate for 4 days from Saturday onwards.  At the end of Tuesday, there would be an equal number of mangosteens and mangoes left.

(b)
Number of days from Saturday to Wednesday = 5

Number of mangosteens left on Wednesday
= 27 - (5 x 5)
= 27 - 25
= 2

Number of mangoes left on Wednesday
= 11 - (1 x 5)
= 11 - 5
= 6

Number of mangoes more than mangosteens
= 6 - 2
= 4

Answer(s): (a) Tuesday; (b) 4