Question Number 188325 by otchereabdullai last updated on 28/Feb/23
$$\:{A}\:{polytank}\:{contains}\:\mathrm{3600}{cm}^{\mathrm{3}\:} \:{of}\: \\ $$$${water}.\:{A}\:{boy}\:{threw}\:{a}\:{stone}\:{to}\:{the}\: \\ $$$${tank}\:{and}\:{some}\:{of}\:{the}\:{water}\:{leaked}\: \\ $$$${away}.\:{When}\:{the}\:{owner}\:{realized}\:{only} \\ $$$$\mathrm{319}{cm}^{\mathrm{3}} \:{of}\:{water}\:{was}\:{left}.\:{If}\:\mathrm{1}{cm}^{\mathrm{2}\:} \\ $$$${of}\:{water}\:{cost}\:\mathrm{20}{peswas},\:{calculate}\: \\ $$$${the}\:{lost}. \\ $$
Commented by mr W last updated on 28/Feb/23
$${lost}\:{of}\:{water}:\:\mathrm{3600}−\mathrm{319}=\mathrm{3281}\:{cm}^{\mathrm{3}} \\ $$$${lost}\:{of}\:{money}:\:\mathrm{3281}×\mathrm{0}.\mathrm{20}=\mathrm{652}.\mathrm{6}\:{cedis} \\ $$