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NikAS [45]
2 years ago
7

Having trouble with this word problem;

Mathematics
2 answers:
NeX [460]2 years ago
8 0

Answer:

If Mary runs at 5mhp and Janet runs at 7mph, it will take them 45 minutes to reach a point where there is 1.5 miles between them.

Or, if you'd like a shorter answer:

<u>45 minutes.</u>

Step-by-step explanation:

It will take both of them 1 hour to reach 2 miles between them. We are looking for 1.5 miles between them. So, split 1 hour into 4 equal parts.

1hr = 60 min.

4 x 15 = 60

Next, Add 3 of those 4 parts together or multiply one part by 3.

15 x 3 = 45

There's the answer.

Gwar [14]2 years ago
7 0

Answer:

8mph

Step-by-step explanation:

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Select ALL the correct answers.
DaniilM [7]
Be:
Number of hours: n

<span>The cost of renting a bike for the first hour is $7:
n=1→f(n)=f(1)=$7

</span>He is charged $2.50 for every additional hour of renting the bike:
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f(1)=7; f(n)=f(n-1)+2.50, for <span>n ≥ 2 (sixth option)
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f(n)=f(1)+2.50(n-1)
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Answers:
Fifth option: f(n)=2.50n+4.50, and
Sixth option: f(1)=7; f(n)=f(n-1)+2.50, for <span>n ≥ 2</span>
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