Question

Mwathi spends one-third of his salary on food, one – quarter on rent, three – fifth of the remainder on transport and saves the rest. If he spends Kshs.1800 on transport, find how much money he saves. 

Answer 1

¹/₃ - food
¼ - rent
³/₅ × ⁵/₁₂ = ¼ - transport
¹/₆ - savings
¼ → 1800
¹/₆ → ?
1800 × ¹/₆ × ⁴/₁ = 1200
=Kshs. 1200