Question Number 198067 by necx122 last updated on 09/Oct/23
$${A}\:{father}\:{reduced}\:{the}\:{quantity}\:{of}\:{food} \\ $$$${bought}\:{for}\:{the}\:{family}\:{by}\:\mathrm{10\%}\:{when}\:{he} \\ $$$${found}\:{that}\:{the}\:{cost}\:{of}\:{living}\:{had} \\ $$$${increased}\:{by}\:\mathrm{15\%}.\:{What}\:{is}\:{the}\:{fractional} \\ $$$${increase}\:{in}\:{the}\:{family}\:{food}\:{bill}? \\ $$
Answered by yogamulyadi last updated on 09/Oct/23
$$\mathrm{0},\mathrm{9}×\mathrm{1},\mathrm{15}−\mathrm{1}=\mathrm{3},\mathrm{5\%} \\ $$