Explanation

Steps to solve "what percent is 49 of 70?"

1. 49 of 70 can be written as:
   4970
2. To find percentage, we need to find an equivalent fraction with denominator 100. Multiply both numerator & denominator by 100
   
   4970 × 100100
3. = (49 × 10070) × 1100 = 70100
4. Therefore, the answer is 70%

   If you are using a calculator, simply enter 49÷70×100 which will give you 70 as the answer.

Explanation

450 is 15% of 3000

Steps to solve "450 is 15 percent of what number?"

We have, 15% × x = 450

or, 

15

100

 × x = 450

Multiplying both sides by 100 and dividing both sides by 15,

we have x = 450 × 

100

15

x = 3000

If you are using a calculator, simply enter 450×100÷15, which will give you the answer.

Explanation

To find the number, we can set up the equation:

Let x be the number.

Given that 40% of the number is 24:

0.40 × x=24

To solve for x, we divide both sides by 0.40: 

x = 24/0.40

x =60

So, the number is 60.

Therefore, the correct answer is 60.

Explanation

1 minute= 60 seconds

27 minutes = 1620

Explanation

The old length and width are L and W.

The new length and width are (1.1)L and (1.1)W.

The old area is A = LW.

The new area is A = (1.1)L*(1.1)W = (1.21)LW

or an increase of 21%

Explanation

we can use the formula:

Value = (Percentage / 100) * Number

Let's substitute the values into the formula:

51 = (17 / 100) * Number

51 / (17 / 100) = Number

Explanation

(50/100) x 30 + (50/100) x40 = 35

Explanation

Explanation

= [ (1000 - 8000) / 8000 ] x 100

= [ 2000 / 8000 ] x 1000

= 0. 25 x 100

= 25 %

***********Second Solution ************

10000-8000=2000
2000 divided by 8000 multiplied by 100= 25 %
25 %  is the ans

Explanation

25/100x=15

1500/25=x

300/5=x

x=60