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Mathematics, 14.05.2021 05:20 daebreonnakelly
17. In the 1600s, a blacksmith could make a living by hand-forging horseshoes and nails. A diligent blacksmith could
make one horseshoe in 12 minutes and a nail in 1 minute. In the 1600s, it would take the blacksmith 210
minutes to complete a particular job. With advances in technology, the blacksmith was able to make a
horseshoe in 9 minutes and a nail in 40 seconds, and could complete the same job in 155 minutes. In the
equations below, h represents the number of horseshoes in the job, and n represents the number of nails in
the job.
12h + n = 210
2n
9h +
= 155
How many nails were in the job the blacksmith completed?
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Answers: 1
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17. In the 1600s, a blacksmith could make a living by hand-forging horseshoes and nails. A diligent...
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