Mr Bun bought some gold bars and silver bars which had a total mass of 20.7 kg. Each gold bar had a mass of 1.1 kg while each silver bar was 1.9 kg. He bought 3 more silver bars than gold bars. How many gold bars did he buy?

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?