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Andrei [34K]
3 years ago
8

What are 2 equivalent ratios of 15/7

Mathematics
2 answers:
Nuetrik [128]3 years ago
8 0

You have to multiply both top and bottom numbers by the same number so 2 equivalent ones would be 30/14 and 45/21.

klemol [59]3 years ago
6 0
One ratio equivalent to 15/7 is 30/14 (multipled by 2 ) another one is 45/27 (multipled by 3 )
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Let's write some equations.

Mingwei's distance from Town A after x hours from 8:00 is 45x.

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When Mingwei's distance is twice Ali's, they've met up (since their distance from Town A is twice their distance from Town B).

So, this gives 45x=60x-40, so 15x=40, so x=\frac{40}{15} = \frac{8}{3}, so the time is 10:40.

After \frac83 hours, Mingwei has traveled 45 * 8 / 3 = 120 kilometers while Ali has traveled sixty, so the distance between the towns is 180 kilometers.
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Step-by-step explanation:

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Answer:

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With the information given we have the relative frequencies of each category.

We know:

\text{P(x=0)}=0.15\\\\\text{P(x=1)}=0.35\\\\\text{P(x=2)}=0.45\\\\\text{P(x=3)}=0.05\\\\

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