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Percentage Increase = (New value – Old value)/ (Old value) x 100

Solution Steps:

Given that New value = 65

Old value = 55

Difference = 65- 55=10

Percentage Increase = (10/55) x 100

= 0.18181818 x 100

= 18.181818 %.

= 18.18 % (nearest hundredth).

So the number is increased by 18.18%.

149 to $199 per month?

Solution steps:

Given that New value =$199

Old value = $149

Difference = $ 199 - $ 149 = $50

Percentage Increase = (50 /149) x 100

= 0.33557 x 100

= 33.557%

= 33.56% (nearest hundredth)

James salary is increased by 33.56%.