2)When a number is doubled and 5 is subtracted from the result, the answer is 37.What is the number ?

3)A is twice as old as B.John is 7 years younger than A.If the sum of their ages is 38,How old are the three boys ?

4)The length of a rectangle is 7 cm longer than its width.If the perimeter of the rectangle is 74 cm,Find the length and area of the rectangle ?

5)Peter and Jane together have $90.If Peter gave Jane $16,he would than have $14 less than Jane.How much Peter originally have ?

6)When a number is divided by 4 and has 12 subtracted from it, the result is 1/6 of the number.What is the number ?