1. Small Light house recently purchased a house in preparation for renovation room with wooden flooring, living room with ceramic tile laying, the market research to know: The

Answers:1   |   LastUpdateAt:2011-12-23 00:01:22  

Question
DeAr_M
Asked at 2011-12-22 05:18:49
1. Little Light House recently bought a house in preparation for the rehabilitation room with hardwood floors, living room with ceramic tile laying , market research , the two materials are not equal wages to lie on the ground, a little light in the lower area, bedroom and living on the filing of charges (purchase of materials and wages ) were to make a budget through the list, and X (square meters ) that establishes the area field, with and ( Yuan) , said the filing of charges , known in the budget of a small light , the placement of one square meter square meters of tiles on a wooden floor which was completed more than 5 million dollars to buy one square meter 1 square meter of ceramic tiles is to purchase the cost of wood floors 3 / 4 , then puts square meter wooden floor tiles, the salary is the dollar amount ? Shop by floor square meter of wood, tile is the number of dollars paid out? (Budget cost of laying room 135 yuan / square meter, the cost of placing the living room of 110 yuan / square meter)
Answer1EltoAnswered at 2011-12-23 00:01:22
Assuming a cost of square tiles of a store, buy a square tile cost of store square of BC wood costs, cost to buy a Square D wood flooring is available under the title means: A = B = C May 3 / 4 * DA + B = 110 ° C + D = 135, solving equations can be obtained : A = 20 B = 90 C = 15 D = 120
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