N*(1+90%) = 156 that is N*1.9 = 156 so N = 156/1.9 = 82.1053 approx.

Another Answer:-

It could be 15.6 because 156 minus 90% = 15.6

And so: (156-15.6)/156 times 100 = 90% increase

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78.2353

10

200

52

1.25x = 120 ∴5x/4 = 120 ∴5x = 480 ∴x = 96

88

The answer is 70.70 + (0.90 x 70) =70 + 63 =133You can also solve this by:133 / 1.90 = 70

Answer:We need to find a number which increased by 3.5 of itself equals 621.Let that number be x.x increased by 3.5 of itself equals 621 implies x+ 3.5x = 621.x(1+3.5) = 621x(4.5) = 621x = 621/4.5x = 138Therefore the required number is 138.Source: www.icoachmath.com

83.6/1.045 = 80

The fraction 7/15 (represented in decimal form by 0.4666...) increased by 59 of itself is equal to the number 28. You can solve this by adding 1 to 59 (60) and then divide 28 by 60.

There is no such number.

A number h increased by i.e. added to itself = h + h =2h

If 260 is increased by 170 percent, the resulting number is: 702

2.59 equals 100% of itself. Or, you might mean that multiplying a number by 2.59 is the same as calculating 259% of that number.

100%

Nine less than twice a number equals the same number increased by four?

Any number equals 50 percent of some suitable number - namely, double that number.

It is squared

10 percent of 100 equals 10.

Here's another way to ask the question: If you have a number and increase it by 40 percent you get 80. What is the number? Let x be the number you're looking for. Forty percent of the number can be expressed as 0.40x (because 40% = 0.40). The question said that x is increased by 40 percent, which implies addition, so the equation is x + 0.40x = 80 1.4x = 80 x = 80/1.4 = 57.14

103.4 increased by 16% = 120

46 squared or times itself equals 2116.

If 650 is increased by 120%, the resulting number is: 1,430.

2002

Any number divided by itself equals 1.