sue is 5 years older than her younger brother Paul.Paul is 6 years older than jim,the youngest in
问题描述:
sue is 5 years older than her younger brother Paul.Paul is 6 years older than jim,the youngest in
the family.if the total of the children’s ages is 32.how is sue,Paul,jim?
答
Sue is 16.
Paul is 11.
Jim is 5.
方法:S= sue ; Paul =P; Jim=J
S=P+5
P=J + 6
S +P + J= 32
根据以上三条算式即可得出答案