Answer:
486.4
Explanation:
Multiply 640 by the percent and then subtract the percent from the whole since the question is asking for a decrease by 24 percent, not what 24 percent of 640 is.
640 × 0.24 = 153.6
640 - 153.6 = 486.4
640 - (24% × 640) =
(1 - 24%) × 640 =
(100% - 24%) × 640 =
76% × 640 =
76 ÷ 100 × 640 =
76 × 640 ÷ 100 =
48,640 ÷ 100 =
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