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歡迎您訪問數(shù)學(xué)考題練習(xí):有鹽水80kg,含鹽14%,為使鹽水含鹽量不低!

數(shù)學(xué)考題練習(xí):有鹽水80kg,含鹽14%,為使鹽水含鹽量不低

更新時間:2024-01-12 14:01:38作者:貝語網(wǎng)校

有鹽水80kg,含鹽14%,為使鹽水含鹽量不低于41%,問:應(yīng)加多少千克鹽?應(yīng)設(shè)加x kg鹽,根據(jù)題意列不等式為

A.(80-x)·14%>(80+x)·41%

B.(80+x)·14%≥80+41%+x

C.80×14%+x≥(80+x)·41%

D.80×14%>(80+x)·41%

試題答案

C

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