Question 1
Sarah is twice as old as Nisha was when Bjorn was as old as Sarah is now. If Bjorn is currently 28 years old, find Sarah's age.
When Bjorn was 32 years old, that was 4 years ago
At that time, Nisha was 16
Now Sarah = 2 × 16 = 32 ✓
At that time, Nisha was 16
Now Sarah = 2 × 16 = 32 ✓