来自秦冲的问题
一道GMAT数学题ThisyearHenrywillsaveacertainamountofhisincome,andhewillspendtherest.NextyearHenrywillhavenoincome,butforeachdollarthathesavesthisyear,hewillhave1+rdollarsavailabletospend.Intermsofr,whatfract
一道GMAT数学题
ThisyearHenrywillsaveacertainamountofhis
income,andhewillspendtherest.NextyearHenry
willhavenoincome,butforeachdollarthathesaves
thisyear,hewillhave1+rdollarsavailabletospend.
Intermsofr,whatfractionofhisincomeshouldHenry
savethisyearsothatnextyeartheamounthehas
availabletospendwillbeequaltohalftheamountthat
hespendsthisyear?
foreachdollarthathesaves
thisyear,hewillhave1+rdollarsavailabletospend.
完全不懂这句话……求解!
1回答
2019-08-3022:47