Jocelyn clinton works for a company that uses a percentage method to compute income tax withheld. jocelyn is single and claims one allowance. she earns $421 a week. find the amount of income tax withheld

Jocelyn makes more than $195 but not over $645. The amount she has to pay is 15% of the excess of 196. Find this first via subtraction.

421 - 195 = $226 over 

Take 15% of this

226 x .15 = $33.9

The tax also includes a $14.4 addition to this 15%.

33.9 + 14.4 = $48.3 total income tax