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3 years ago

An article when sold at a profit of 5% yields Rs 50 more than when sold at a loss of 5%. What was the cost price of the article?

Mathematics

2 answers:

Gwar [14]3 years ago

7 0

Answer:

Rs 500

Step-by-step explanation:

Profit = 5%

Loss = 5%

For CP

Profit = 1.05x

Loss = 0.95x

Given Condition:

Let CP be x

1.05 x = 50 + 0.95x

=> 1.05x-0.95x = 50

=> 0.1 x = 50

Dividing both sides by 0.1

=> x = Rs 500

puteri [66]3 years ago

5 0

Answer:

Rs. 500

Step-by-step explanation:

CP= x

SP at 5% profit= 1.05x

SP at 5% loss= 0.95x

The difference= Rs. 50

1.05x- 0.95x= 50
0.1x= 50
x= 50/0.1
x= 500

CP is Rs. 500

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Tim has to cover 3 tanks completley with paint.

bija089 [108]

answer:

<h3>Total surface area of 3 tanks=34.3 m^2</h3><h3>7 tins of paint are required.</h3>

Solution,

diameter of tank=1.4 m

Height of tank=1.9 m

Given tank has top and bottom 

Now, The total surface area of cylinder tank is given by:

 $tsa = 2\pi \: {r}^{2} + (2\pi \: r \: ) \times h$ 

r( radius of tank)=

 $\frac{diameter}{2} = \frac{1.4}{2} = 0.7 \: m$ 

h(height of tank)=1.9 m

TSA of 1 tank

=

 $2 \times 3.14 \times {(0.7)}^{2} + 2 \times 3.14 \times 0.7 \times 1.9 \\ = 11.435 \: {m}^{2}$ 

TSA Of 3 tanks

=

 $3 \times 11.435 \: {m}^{2} \\ = 34.3 \: {m}^{2}$ 

Given a tin of plate covers 5m^2 area.

No.of tins required:

1 tin 5m^2

x tin 34.3 m^2

 $5x = 34.3(cross \: multiplication) \\ or \: x = \frac{34.3}{5} \\ x = 6.86 \\ x = 7 \: tins$ 

therefore 7 tins are required.

Hope this helps...

Good luck on your assignment....

8 0

2 years ago

Please help! 15 points to whoever graphs and solves it!

monitta

First you have to get the equation into slope/intercept format: y = mx + b

$3y > -3+6x\\\\\frac{3y}{3} >\frac{-3+6x}{3} \\y >\frac{3(-1+2x)}{3} \\y > -1+2x\\\\y>2x-1$

So the slope m = 2, and the y-intercept b = -1.

b tells you where the line intersects the y axis. The slope is rise (vertical distance) over run (horizontal distance). I have attached my best attempt at drawing this without graph paper. The dotted line represents the inequality, and the solution set includes the values above the line which is why it is shaded. Hope this helps!