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layla07
04.08.2019 •
Mathematics
Kayla had 64b dollars. she gave 1/8 of it to luke and spent $45. how much money did kayla have left? express answer in terms of b.
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Ответ:
1) Kayla originally has 64b dollars
2) She gave 1/8 of it to Luke> (1/8)*64b=8b
in this moment Kayla has> 64b-8b=56b
3) Kayla spent $45
in this moment Kayla has> 56b-$45
therefore
the answer is
(56b-$45)
Ответ:
the amount of money she gave Luke is 1/8th of what she had.
the amount she gave Luke - 64b x 1/8 = 8b
then amount she had remaining after giving Luke - 64b - 8b = 56b
from the amount she had after giving Luke she spent 45 therefore amount Kayla had left = 56b - 45
Ответ:
(b) That would be 7 times 5/6 hour, or 35/6 hours, or 5 5/6 hours.
(c) Convert 35/6 hours (from part b) into minutes:
35 hours 10 min 350 min
* = = 350 min
6 (1/6) hr 1