1. 145 300 610 1230
In the above sequence every term after the first is formed by multiplying by x and then adding y, where x and y are positive integers. What is the value of x + y?
2. A confectioner has 500 mint, 500 orange and 500 strawberry flavored sweets. He wishes to make packets containing 10 mint, 5 orange and 5 strawberry sweets. What is the maximum number of packets of this type he can make?
3. If S is the sum of 8,6,4,2 and x, what must be the value of x for x to equal 1/5 S ?
4. 25 per cent of 600 is equal to 15 per cent of what number?
5. What is the maximum number of points of intersection of four distinct lines in a plane?
6. If one edge of a 6-inch ruler is to be marked in 1/10 inch units, how many marks will there be on the edge including the 0 and 6 inch marks?
7. Given that the sum of the odd integers from 1 to 99 inclusive is 2500, what is the sum of the even integers from 2 to 100 inclusive?
以上就是这7道SAT数学运算题练习题的全部内容，包括代数和几何两个部分的内容。大家在备考SAT数学运算题的时候，可以练习一下这些题目，以便更好的了解SAT数学运算题的解题过程和解题方法。
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