Explanation:
WHEN × = 0 , y = 0 miles
WHEN × = 1 , y = 4 miles
WHEN × = 2 , y = 8 miles
WHEN × = 3 , y = 12 miles
WHEN × = 4 , y = 16 miles
WHEN × = 5 , y = 20 miles
if Kirsten walked 4 miles per hour we use the formula
if 1 hour = 4 mile what is the mile in the other hours by criss cross formula