Sandy's monthly phone bill expense is equal to ten times her age now. In two years, Sandy will be three times as old as Kim. If Kim is currently 10 years old, calculate Sandy's monthly phone bill expense.
How old will Kim be in two years? ** If Kim is currently 10 years old, she will be 10+2 =<<10+2=12>>12 years old in two years.
How old will Sandy be in two years? ** In two years, Sandy will be three times as old as Kim, meaning Sandy will be 3*12 = <<3*12=36>>36 years old.
How old is Sandy currently? ** Currently, Sandy is 36-2 = <<36-2=34>>34 years old.
How much does Sandy pay in phone bill expense? ** If Sandy's monthly phone bill expense is equal to ten times her age now, she pays 10*34 =$<<10*34=340>>340 in phone bill expense
#### 340