高校问答建设银行设置登录密码:easy math questions 2
来源：百度文库 编辑：高校问答 时间：2024/04/28 07:42:20
a furniture company is building coffee tables from glass and wood. each table is 90 cm by 45cm. The width of the wood around the top is 7 cm.
a.) wHat length of wood is needed for the top of each table?
b.) If the edges of the grass are protected with a plastic strip, what length of this strip is needed for each table?
a.) wHat length of wood is needed for the top of each table?
b.) If the edges of the grass are protected with a plastic strip, what length of this strip is needed for each table?
a) 90*2+(45-7*2)*2=246cm
b) 90*2+45*2=270cm
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