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Rzqust [24]
2 years ago
3

A) A grocer bought 20 kg of sugar at Rs 70 per kg. He sold 15 kg of sugar at Rs 75

Mathematics
1 answer:
Elodia [21]2 years ago
8 0

Answer: 5%

Step-by-step explanation:

A grocer bought 20 kg of sugar at Rs 70 per kg. The total amount spent will be: = 20kg × Rs70 = Rs1400

He sold 15 kg of sugar at Rs 75

per kg and the remaining quantity at Rs 69 per kg. This will be:

= (15 × Rs75) + (5 × Rs69)

= Rs1125 + Rs345

= Rs1470

Gain = Rs1470 - Rs1400 = Rs70

Percent gain = Gain/cost price × 100

= 70/1400 × 100

= 1/20 × 100

= 5%

The profit percent is 5%

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3/4 of a piece of metal has a mass of 15kg.what is the mass of 2/5 of the piece of metal
olga2289 [7]
3/4=15
let,
total mass is x
x=4×15/3
=20 kg
so, total mass = 20 kg

=2×20/5
=2×4
=8 kg

Hope this helps!
8 0
2 years ago
What is the answer to 13p12=
tiny-mole [99]

Answer:

156p

Step-by-step explanation:

13p×12

multiply the numbers

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8 0
2 years ago
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Rebecca works at a store that sells clothing accessories. The supply function for pairs of socks is P = Q - 13, where P is the p
stepladder [879]
The quantity is 19 from the solution in the image

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2 years ago
Suppose flaws (cracks, chips, specks, etc.) occur on the surface of glass with density of 3 per square meter. What is the probab
DiKsa [7]

Answer:

0.047

Step-by-step explanation:

Given that poisson distribution with mean m, for 0.5 square meter =1.5

Then the formula for finding the probability =

P[k] = (e^-m * m^k) k!

Hence we have

P[4] =[ (e^-1.5) * (1.5^4)] ÷ 4 * 3 * 2 * 1

= (0.2231301601 * 5.0625) ÷ 24

=( 1.12944375) ÷24

= 0.04706

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Hence, the final answer is 0.047

8 0
2 years ago
Mrs. Ishimitsu is installing a rubber bumper around the edge of her coffee table. The dimensions of the rectangular table are (2
ollegr [7]

Answer:

2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.

Step-by-step explanation:

Perimeter is defined as the sum of sides.

For a rectangle having dimension length 'L' and breadth 'B' Since, rectangle has two sides equal.

Perimeter of rectangle = 2 ( length + breadth )

Here, given rectangle has dimension

Length = 2x^2-16 and breadth = -x^2+4x+1

Thus, perimeter of rectangle = 2(2x^2-16+(-x^2+4x+1))

                                              =2(2x^2-16-x^2+4x+1)

                                               =2(x^2+4x-15)

                                                =2x^2+8x-30

Thus, perimeter of rectangle is 2x^2+8x-30   ........(1)

Perimeter of rectangle , when x = 3,

Put x= 3 in (1) ,

2x^2+8x-30\Rightarrow 2(3)^2+8(3)-30 \Rightarrow 18+24-30=12

Thus, 2x^2+8x-30 represents the total perimeter of the table, and if x = 3 the lentgh of entire rubber bumper is 12 feet.




5 0
2 years ago
Read 2 more answers
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