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dem82 [27]
3 years ago
15

Plz help me with part b

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

672 \div 56
That's your answer
Ivan3 years ago
3 0
You do 672 divided by 56. Shich gives u 12 that is the answer 12
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notsponge [240]

Answer:

Step-by-step explanation:

Let the time taken by the john to get to his uncle be x.

Let the time taken by the john to get back from his uncle be y.

So,

x+y=12 ------ equation 1

According to the given velocities:

20x=30y

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Put the value x=3/2y in equation 1

3/2y+y =12

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y=4.8h

Now put the value of y in x=3/2y

x=3/2*4.8

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3 years ago
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Cloud [144]
I'm in seventh grade. I haven't learned that yet.
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8 0
3 years ago
help! what do i do
Sloan [31]
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5 0
2 years ago
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gregori [183]

Answer:

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