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## Answers

**x**

Let lando's age be the variable

**y**

Therefore,

x+y= 28 (Equation 1)

y= x+5 (Equation 2)

**Substitute**

x+y= 28

x+x+5= 28

2x+5=28

2x=23

x= 11 1/2

**substitute**

x+y=28

11 1/2 + y = 28

y=16 1/2

THEREFORE:

Tim: 11 1/2 yrs old

Lando: 16 1/2 yrs old