SOLUTION: Roberto built a model racecar that is 3 inches long and has a scale of 0.5inches = 2 feet. he determined that the real car must be 3•2 or 6 feet long. is this correct? explain
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-> SOLUTION: Roberto built a model racecar that is 3 inches long and has a scale of 0.5inches = 2 feet. he determined that the real car must be 3•2 or 6 feet long. is this correct? explain
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Question 373449: Roberto built a model racecar that is 3 inches long and has a scale of 0.5inches = 2 feet. he determined that the real car must be 3•2 or 6 feet long. is this correct? explain Found 2 solutions by fractalier, rfer:Answer by fractalier(6550) (Show Source):
You can put this solution on YOUR website! No, he is not correct. Set up a proportion,
.5 inches is to 2 feet as 3 inches is to x feet...we can write this as
Now cross multiply and solve
.5x = 6
x = 12 feet
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