cascyrio2002
30.07.2020 •
Mathematics
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Ответ:
12 days
Step-by-step explanation: if the track is 2214.5 miles long and Miguel is doing 21.14 miles an hours for 9 hours a day we’d need to know how much he completes in a single day
He does 9 hours and in each hour he completes 21.14 miles. So in a whole day he will complete 190.26 miles.
He needs to finish 2214.5 miles and he only completes 190.26 miles per day. So we divide to find how many days it will take him. After dividing we get the answer of 12 days
Ответ:
16
at 4 years old , brother is half your age , that is 2
hence your brother is 2 years younger than you.
thus at 18 years old your brother is 16 years old.