maths
posted by Larry King .
Dear Sir
I need help for the below questions
Please help
thanks
larry King
1) Sally bought some erasers and pens 16.50. She bought 5 fewer erasers than pens. Each erasers cost $1.80 more than the pen. How many pens did she buy?
2. A group of people met at a party. Each person shook hands with everyone else. John shook hands with 3 times as many men as women. Jane shook hands with 4 times as many men as women. How many men and how many women were there at the party?
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