how many ordered pairs of positive integers（m,n）satisfy the equation m/6=6/ma:7 b:8 c:9 d:10

英语翻译A school ordered $600 worth of ligthbulbs.Some of the lightbulbs cost 1$ each and the others cost 2$ each.If twice as many 1$ bulbs as 2$ bulbs were ordered,how many lightbulbs were ordered altogether? 首先：ordered pairs of positive integers 这里的有序是必须递增的么,就是说1,0不对0,1就对了?for how many ordered pairs of positive integers(x,y) is 2x+3y 又是一道英文数学题, 求高手解答!~For how many ordered pairs of positive integers (x,y) is 2x+3y how many ordered pairs of positive integers（m,n）satisfy the equation m/6=6/ma:7 b:8 c:9 d:10 SAT数学中短语问题?题目好像错的题目是：for how many ordered pairs of positive integers(x,y) is 2x+3y .There are 100 buildings along the street,A sign maker is ordered to number the buildings from one to one hundred,How many 6s will be need? 一道SAT数学题,求翻译! How many different ordered pairs (x一道SAT数学题,求翻译! How many different ordered pairs (x,y) are there such that x is an even integer, where 4<_x<_10, and y is an integer, where 4<x<10 how many how many, he ordered many fish dishes in the restaurant yesterday Ken ordered many fish _____(dish) in the restaurant yesterday. how many how 英语翻译I feel a little better,I had huge surgery.The size is:16 x 20 inches..Please send me an in voice.I wanted to ask you,I ordered 5 more pictures,and I don't remember from who?How many pictures I ordered from you first time?Please let me kno ordered pairs of positive integers 这里的有序是必须递增的么,就是说1,0不对0,1就对了?for how many ordered pairs of positive integers(x,y) is 2x+3y还有一点是 positive integers正整数不是应该不包括0么？ 句子分析：can you tell me ordered how to pronounce!比如我想知道ordered的发音?我可以这样说吗?can you tell me ordered how to pronounce!这句话有错误吗?还有ordered 的音标是什么? How Many Times,How Many Lies 歌词 How many?的中文. how many的中文