?% of 399.97 = 11.982 + 16.13 × 4.16 – 35.99
?% of 399.97 = 11.982 + 16.13 × 4.16 – 35.99 => ?% of 400 = 12 + 16 × 4 – 36 => ?% of 400 = 12 + 64 – 36 => ?% of 400 = 40 => ? = 10
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