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juin [17]
3 years ago
12

I am a one digit number. Follow the calculation steps and Find me.

Mathematics
1 answer:
artcher [175]3 years ago
5 0

Answer:

8

Step-by-step explanation:

First, let’s say the number is x

Then follow the steps

12x+6

36x+18

36x+9

12x+3=99

So x=8

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An item was sold at a loss of 20%. Had it been sold for Rs 3000more then the profit would have been 10%. What is the cost price
vagabundo [1.1K]

Answer:

Cost Price = Rs 10000

Step-by-step explanation:

Assume:

Cost of the item = x

Item was sold at a loss of 20%:

Loss = 20% of x = 0.2x

Item sold = x - 0.2x = 0.8x

Item sold at a profit of 10%:

Profit = 10% of x = 0.1x

item sold = x + 0.1x = 1.1x

Solve:

Difference = 1.1x - 0.8x = 0.3x

0.3x = Rs 3000

x = Rs 3000 ÷ 0.3

x = Rs 10000

3 0
2 years ago
13.   There are 45 employees who each put in 97 hours on a project. What are the total number of hours worked on the project?
Tcecarenko [31]
You would do 45 x 97 which equals 4365
7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B49%7D%20" id="TexFormula1" title=" \sqrt{49} " alt=" \sqrt{49} " align="absmiddle
Zinaida [17]
Root of 49

Solutions are 7 and -7

We know that 7 is the square root of 49.

A negative number multiplied by itself gives positive
So -7 is also a square root of 49
5 0
3 years ago
A small pouch contains 8 black marbles, 5 white marbles, and 12 red marbles. What is the probability of picking a red then a bla
Alina [70]

Answer:

8/600

Step-by-step explanation:

4 0
3 years ago
Work out the area of a rectangle of dimensions 4 cm by 8cm
dedylja [7]
Area = 4 cm * 8 cm = 32 cm²
5 0
3 years ago
Read 2 more answers
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