zahid79
02.02.2020 •
Mathematics
How to work it out
and who drove farther and how many miles farther
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Ответ:
kelly=440mi/8hr=220mi/4hr=110mi/2hr=55mi/1hr
alberto=468mi/9hr=156mi/3hr=52mi/1hr
55>52
kelly drove 55mi in 1 hour
55-52=3
she drove 3 miles more in 1 hour
Ответ:
12x6=72
Then write a proportion!
8/72=4/x
Cross multiply!
72x4=8 x x
288=8x
Divide by 8 on both sides.
x=36 inches. or 3 feet
Answer is 3 feet or 36 inches