+36915 Amount of money Judy has a given time = 20 + 6x where x = #weeks
Amount ida has = 172 - 4x
When are they equal?
20 + 6x = 172-4x
10x=152
x = 15.2 weeks
+128406 20 + 6n = 172 + 4n where n is the number of weeks it will take them to have the same amount
Subtract 4n, 20 from both sides
2n = 152 divide b 2
n = 76 weeks
+36915 Amount of money Judy has a given time = 20 + 6x where x = #weeks
Amount ida has = 172 - 4x
When are they equal?
20 + 6x = 172-4x
10x=152
x = 15.2 weeks
