Answer:
The weight of the zinc in the metal bar was 50% of the weight of the metal bar .
Step-by-step explanation:
Weight of the metal bar ,M= 36 g
Weight of the zinc in the metal bar , m= 18 g
Percentage of zinc in the metal bar :
23,24,26,27 sorry if you get it wrong
25
Substitute 7 into 2, and 11 into y.
2(7)+(11)
14+11