1.Suppose the length of shorter board is x inches,then length of the longer board is 3x inches.
6(x-10)=3x-11
x=49/3
so the the longer board is 3*49/3=49 inches.
2.21000-4329+6333-8453=14551
so the answer is 14551 feet.
英文数学应用题 请回答下面这道题 .One board is one-third the length of anoth
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