Question

Subract the childs age in years from 30 then divide the result by 2

shes 10 years old
wakes up at 7am
what time does she go to sleep??

Answer 1

8pm? try that

Explanation:

Answer 2

21:00

Explanation:

(30 - 10) / 2 = 10

7:00 minus 10 hours = 21:00