李强同学把50元钱存入银行,定期三年,年利率为3.24%,到期时李强可以得多少利息?正确列式是( ) A.50+50×3.24%×3×80% B.50×3.24%×80% C.50×3.24%×3×80% D.50×50×3.24%×80
问题描述:
李强同学把50元钱存入银行,定期三年,年利率为3.24%,到期时李强可以得多少利息?正确列式是( )
A. 50+50×3.24%×3×80%
B. 50×3.24%×80%
C. 50×3.24%×3×80%
D. 50×50×3.24%×80%
答
根据题意,列式为:
50×3.24%×3×(1-20%)=50×3.24%×3×80%.
故选:C.