53) 20
because 2-3 has 6, 4-5 has 10, 6-7 has 3, and 8-9 has 1 so... 6 + 10 + 3 + 1 = 20
54) 70%
because you set up a proportion. 14/20 = ?/100. 14 * 100 = 1400/ 20 = 70
( im pretty sure 52 is 8-9, sorry if im wrong.)
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