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Brass is an alloy formed from copper and zinc in the ratio 3:2, based on weight. If 120g of copper is needed for a certain piece of brass, how much zinc will be needed?

IDK man Yo question haru sab garo hunxa mya

"Eleven rules" is correct props to you 👍

mother is wrong

Anonymous was wrong 9/18 the real answers are: 1:D 2:A 3:B 4:B 5:B 6:B 7:C 8:A 9:D 10:D 11:C 12:A 13:D 14:A 15:B 16:C and I will give you the writing answers when they are graded.

I got 2/3 on 17 and 0/3 on 19, but 18 is V(6, 2), W(-2, 4), X(-3, -2), Y(3, -5)

these answers are correct