单选题Alex weighs 185 pounds. If he decreases his weight by 10%, what will be his new weight?A160 poundsB166. 5 poundsC170 poundsD170. 5 poundsE175. 5 pounds
单选题
Alex weighs 185 pounds. If he decreases his weight by 10%, what will be his new weight?
A
160 pounds
B
166. 5 pounds
C
170 pounds
D
170. 5 pounds
E
175. 5 pounds
参考解析
解析：
New Amount = (1 - Percent Decrease) × Original Amount = (1 - 0.1) × 185 = 0.90 × 185 = 166.5 pounds.
New Amount = (1 - Percent Decrease) × Original Amount = (1 - 0.1) × 185 = 0.90 × 185 = 166.5 pounds.
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