Answered

A five peso coin has a mass of 20 grams. How many grams of copper are in 5 peso coin containing 75% copper by mass

Sagot :

SophiaBasistaviz

Answer:

75% is equal to 75/100,and 75/100 is equal to 3/4,so to simple the grams of copper in five peso coin,you need to multiple 20 grams to 3/4.so the answer will be 15

Explanation:

that's only my opinion hope it helps:)