A jewelry

A jewelry store has 20 grams of gold. If a pair of earrings need 1/4 gram of gold, how many grams are not used?

Correct result:

x =  19.75 g

Solution:

x=201/4=794=19.75 gx=20 - 1/4=\dfrac{ 79 }{ 4 }=19.75 \ \text{g}



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