62) 7 to 3
63) 6 : 1
64) 7/12
65) 9 : 5
66) already simplified
67) 1 : 1
68) equivalent because 9/48 simplified is 3/16
70) 7 hours in 1 week
71) 6 candy for 1 child
72) 45 miles in 1 hour ; 45 miles in 1 hour yes they are proportional
73) $3 for 1 magazine ; $4 for 1 magazine no they are not proportional
