Answer:
The Answer is 20
Step-by-step explanation:
let's take wife's age as x
given,
(40 + x)/2 = 30
40 + x = 30*2
x = 60 - 40
x = 20
Answer:
2 11/60
Step-by-step explanation:
15/60 -4/60=11/60
2+11/60=2 11/60
Wisdom tooth extraction it's 28. But in total we have 32 teeth.
