Ricardo as $25 to spend on school supplies. he spends 72% of the money on a backpack an the rest on a large binder. how much does he spend on the backpack? how much does he on the binder?

answer: the dogs need to shift their focus to human scent.

its because the dogs being trained are for search and rescue thus they need to be able to track humans and their specific scent

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50