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pickupchik [31]
2 years ago
7

12 workers build a wall in 10 hours.How long does 5 workers build a wall? ​

Mathematics
1 answer:
Basile [38]2 years ago
6 0

Answer:

5 hours

Step-by-step explanation:

Each person works at a rate 1/100 of wall completed per hour.So five men working at the rate would be 5/100. So, it would...

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Answer:

192

Step-by-step explanation:

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Tamora's net pay is $420 per week. Create an equation for Tamora's net pay.
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Read 2 more answers
Melissa makes and sells necklaces and bracelets. One day she made a total of 28 pieces of jewelry. On this day the number of bra
murzikaleks [220]

Answer:

Number of necklaces = 8

Number of bracelets = 20

Step-by-step explanation:

Given that:

Mellisa is making and selling the necklaces and bracelets.

Number of pieces of jewelry made on one day = 28

Number of bracelets was 4 more than the twice the number of necklaces.

To find:

Number of each type of jewelry made = ?

Solution:

Let number of bracelets = b

Let number of necklaces = n

As per question statement:

b+n=28 ...... (1)

b = 2n+4 ...... (2)

Putting the value of b in equation (1):

2n+4+n=28\\\Rightarrow 3n = 28-4\\\Rightarrow 3n = 24\\\Rightarrow n =\bold{8}

By equation (1):

b + 8 =28\\\Rightarrow b = \bold{20}

So, the answer is:

Number of necklaces = 8

Number of bracelets = 20

7 0
3 years ago
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