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4. Samantha is twice as old as Rhea. In 12 years, the sum of their ages will be 78. Find their present ages.
5. Vincent is 10 years older than John. Five years ago, his age was twice that of John.Find their present age.
6. Twelve more than a number is twenty. What is the number?
7. The sum of three consecutive even integers is 353. What is the smallest number
8. The length of the rectangular pool is more than its width. Find the dimensions of the pool if the perimeter is 132m.
9. The perimeter of a square is 38cm. Find the measure of its side.
10. The second side of a triangle is 2cm more than the first side and is 2cm less than the third side. Find the dimensions of the rectangle if its perimeter is 24.
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