1. Year 11 Mini-Assessment 5
HIGHER
Contextual Questions

2.     Water in 1 year = 180 x 365 = 65700 litres = 65.7m3
Cost of Water = 65.7 x 91.22p
= p
= £59.93 
Total Cost including charge of £28.20 =
£88.13
Water meter costs £107 per year
So Cheaper NOT to get a water meter. 

3.     Men : Women = 3 : 2 60% : 40% Men under 25 = 40% of 60%
= 0.4 x 60%
= 24% 
Women under 25 = 10% of 40%
= 0.1 x 40%
= 4% 
28%

4.      85° Same 2x + 43 = 5x – 20 43 = 3x – 20 5(21)-20 = 85°
(+20)
(+20)
63 = 3x
(360 – 85 – 85) ÷ 2
(÷3)
(÷3)  
= 95
21 = x
4y – 5x = 95
4y – 5(21) = 95 
4y – 105 = 95
(+105)
(+105) 
4y = 200
y = 50
(÷4)
(÷4)