Answer:
6 days
Step-by-step explanation:
Data given:
Vancouver is in the British Columbia
3/5 of the vacation was spent in British Columbia
1/2 of the time spent in British Columbia was spent in Vancouver.
The whole vacation was 20 days long
total days spent in British Columbia = 3/5 *20
total days spent in British Columbia = 12
Since the 1/2 of the time in British Columbia was spent in Vancouver then
time spent in Vancouver = 1/2 * 12
time spent in Vancouver =6 days