3. A penny is made by combining 0.1 g of a copper alloy that costs $5.50 per kilogram (1000 grams) with a zinc alloy that costs $1.50 per kilogram. How many grams of the zinc alloy should be used to make

pennies that cost $2 per kilogram?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!