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OpenStudy (danieke):
During a construction project, engineers used explosives to excavate 140 feet of tunnel into a mountain. But because of time constraints and environmental concerns, they brought in a tunnel boring machine (TBM) to excavate the rest of the tunnel. The data table lists some observations an engineer made about the length of the tunnel after the TBM was introduced. How much of the tunnel was completed 26 days after the TBM was introduced? 1,170 feet 1,310 feet 1,260 feet 1,400 feet
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OpenStudy (danieke):
OpenStudy (danieke):
@starlord6200
OpenStudy (anonymous):
Do u have any ideas
OpenStudy (danieke):
no not at all
OpenStudy (anonymous):
Well I'm pretty sure it's b
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OpenStudy (danieke):
thank uu ;)
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