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MrRissso [65]
2 years ago
11

Please Help me solve this problem and tell me how Solve #30:

Mathematics
1 answer:
Daniel [21]2 years ago
3 0
60% were students
if 144=students then how many people total

60% of all=144
divide both sides by 6
10%=24
times both sides by 10
100%=240

240 peple
D
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Answer:

We conclude that eighty percent of bike tires last at most 14.4 months.

Step-by-step explanation:

We know that a pair of bike tires can last 18 months if used every day.

We calculate how much eighty percent of the tire will last in months.

We have the following proportion:

18:100\%=x:80\%\\\\100x=18\cdot 80\\\\100x=1440\\\\x=\frac{1440}{100}\\\\x=14.4

We conclude that eighty percent of bike tires last at most 14.4 months.

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Step-by-step explanation:

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