Fraction between - 3/4 and - 1/3

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

To decrease an amount by 16% what single multiplier would you use

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28