In the United States, the number y (in millions) of bicycles sold with wheel sizes of 20 in. or greater can be modeled by the equation y = 0.3x + 15, where x is the number of years since 1981. In what year were about 22 million bicycles sold?

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Candy

Mathematics

25 February, 22:37

In the United States, the number y (in millions) of bicycles sold with wheel sizes of 20 in. or greater can be modeled by the equation y = 0.3x + 15, where x is the number of years since 1981. In what year were about 22 million bicycles sold?

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Sarahi · Answer 1

If i did the math right, it should be in the year 2004. but im not 100% sure.

i plugged in 22 is y. the output. solve the equation and then x = about 23. then i added 23 to the year 1981 and got 2004