Lily is 34 years old.Steve is: 51 years younger than Bella and 3 years younger than Hayley. Bella is 23 years older than Lily. Substitute 34 for L, erase the first equation: Substitute 57 for B, erase the last equation: Substitute 6 for S erase the first equation: How old is Hayley? Add 6 to both sides: Hayley is 9. Edwin
This problem is not for making and solving equations. It is a joke Math problem for 2nd or 3rd grade young student to solve it mentally. The sequence of steps is Lily --> Bella --> Steve --> Hayley.
Lily 34 Steve (34+23)-51 Bella 34+23 Hayley ((34+23)-51)+3