Please help me

1. The sum of three consecutive odd integers is less than 100 what are the greatest possible values of these integers?
   
   
2. The sum of two integers is greater than 12 one integer is 10 less than twice the other what are the least values of the integers
   
   
3. Find the length of the base of a triangle when one side is 2 cm shorter than the base and the other side is 3 cm longer than the bass the perimeter is greater than 19 cm.
   
   
4. Miss Hayes has promised her two teenagers that they may go to a concert if together they can save more than $25 of their spending money the older teenager agrees to save twice as much is a younger how much
   

must be save?


Thank you and if you answer I will give you more points!