Book Maths Puzzle Algebra

can u help me with this? use the graphing method to solve the linear system and tell how many solutions the system has: 2x+4y=8
3x+6y=1

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Book Other Question

Ann's age is seven-tenths of bill's age. In 4 years Ann's age will be eight- elevenths of Bill's age. How old is Bill now? The area of a rectanglar room is 238 square feet. the width of the room is 3 feet less than the length. find the dimentions of the room.