GRE数学题5
求翻译和算法
1.brand R coffee costs $3.25 per pound and brand T coffee costs $2.50 per pound.The number of pounds of brand R in a mixture of brands R and Tthat costs $3.00 per pound与1.2 比较大小
2.the volum of block R is equal to the volum of block S.the total surface area of R 与the total surface area of S 比较大小
3.the height of a stack of cans if each can is size S except the can on the bottom of the stack,which is size T 与62.5 centimeters 比较大小
4.for each home in towm x ,the amount of property tax is p percent of the value of the home.the property tax on a home whose value is $45000 is $1200.the property tax on a home 与$1300比较大小
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