由“甲数与乙数的比是5:4”可知,
甲=5/4乙;
则甲数比乙数多 (甲-乙)÷乙×100%
=(5/4乙-乙)÷乙×100%
=1/4乙÷乙×100%
=25%
乙数比甲数少 (甲-乙)÷甲×100%
=(5/4乙-乙)÷5/4乙×100%
=1/4乙÷5/4乙×100%
=1/4÷5/4×100%
=20%
答:甲数比乙数多25%;乙数比甲数少20%
由“甲数与乙数的比是5:4”可知,
甲=5/4乙;
则甲数比乙数多 (甲-乙)÷乙×100%
=(5/4乙-乙)÷乙×100%
=1/4乙÷乙×100%
=25%
乙数比甲数少 (甲-乙)÷甲×100%
=(5/4乙-乙)÷5/4乙×100%
=1/4乙÷5/4乙×100%
=1/4÷5/4×100%
=20%
答:甲数比乙数多25%;乙数比甲数少20%