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Lina20 [59]
3 years ago
12

30 workers can complete a work in 40 days in how many days would 20 men complete the construction​

Mathematics
1 answer:
telo118 [61]3 years ago
6 0

Answer:

27

Step-by-step explanation:

(30 workers/40 days) = (20 workers/x days) cross multiply

30*x=40*20 divide by 30 both sides

x= 800/30

x≈26.67

So they will need 27 days

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On a scale drawing of scale 1:50, the length and the width of a rectangle are 25cm and 16cm respectively. Find the actual area o
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Answer:

100 m²

Step-by-step explanation:

The scale drawing has dimensions 25 cm and 16 cm

The actual rectangles dimensions are 50 times greater, that is

length = 25 × 50 = 1250 cm ← divide by 100 to convert to m

length = 1250 ÷ 100 = 12.5 m

width = 16 × 50 = 800 cm

width = 800 ÷ 100 = 8 m

Actual area = 12.5 × 8 = 100 m²

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3 years ago
The local drugstore offers its employees a 15 percent discount on their prescriptions. If Lucy, an
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Answer:

Discount-.15*70=<u>10.50</u>

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4 years ago
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How many thousands are in 26 thousands and 13 hundreds?
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Answer:

27

Step-by-step explanation:

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3 years ago
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The Bentonville Theater sold 765 tickets during Memorial Day weekend, bringing in $6350 in total ticket sales. General admission
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Answer:G=410 tickets

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6 0
3 years ago
Emma wants to build a fence around the perimeter of her lawn. Each foot of fence costs $2. The rectangular lawn has an area of 3
AlladinOne [14]

Answer:

\$160

Step-by-step explanation:

To find the cost of the entire fence, we need to first determine the lawn's length before calculating its perimeter.

Area of rectangular lawn = lw (formula for the area of a rectangle)

364=14l

l=26 feet

Now that we have the lawn's length and width, we can calculate the perimeter:

Perimeter = 2l+2w (formula for the perimeter of a rectangle)

=2(26)+2(14)

=80 feet

Since each foot of lawn costs $2, then the cost of the entire fence will be:

80\times2 = \$160

∴ The entire fence costs \$160.

Hope this helps :)

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3 years ago
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