Part B
What percentage of Americans would you predict wear glasses?

64%

75% of adults use some sort of vision correction. About 64% of them wear eyeglasses, and about 11% wear contact lenses, either exclusively, or with glasses. Over half of all women and about 42% of men wear glasses.

57 (but i'd say 60!)

Step-by-step explanation:

if you look it up its 57 but if you say 57 your teacher will know. so just say 60.

1) c 2143.6 cm

2) c 113.0 m

3) a 33.5 ft

4)   d 2 cm

5) c 20 mm

6) 180 in

7) d 120 ft

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