Answer:
1/10 of an hour.
Step-by-step explanation:
Lola rode her bike for 7/10 of an hour on Saturday.
She rode for 3/5 of an hour on Sunday.
On Saturday she rode - = 1/10 of an hour more.
given,
2/5 are white so 3/5 are navy
60
220*2 = 440
+ 220/2 = 550