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sergejj [24]
3 years ago
13

A crew of highway workers paved 1/2 mile in 1/4 hour. If they work at the same rate, how much will they pave in one hour?

Mathematics
2 answers:
mote1985 [20]3 years ago
4 0

Step-by-step explanation:

The easiest approach is to realise that one hour is 3 times longer than

20

minutes. The longer the time, the more they will pave.

2

15

of a mile, in 20 minutes, how much in 60 minutes?#

They will pave 3 times more.

2

15

×

3

1

=

6

15

of a mile

6

15

=

2

5

of a mile

You could also use the 'unitary method' where you find out how much they pave in ONE minute (divide by

20

) and them multiply by

60

to find how much in one hour.

Look at what happens:

2

15

÷

20

×

60

=

2

15

×

1

20

×

60

3

=

2

15

×

3

←

exactly the same maths.

=

2

5

rosijanka [135]3 years ago
4 0
D. 2 miles



1/2 of a mile in 1/4 of an hour multiple 1/2 by 4 because 1/4 times 4 is a whole (so a whole hour)
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Suppose you buy 4 buckets of apples and 5 buckets of peaches for $64. If you bought 8
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Option D is the correct answer.

Step-by-step explanation:

Step 1 :

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