Math Problems?

Posted on 2015-09-19 08:47:00 in Math by CHERRY

Do you like math? Especially math problems? 'Cause i don't . These may be easy for you. (dont have to show work.)

1. Sandra is Y years old. In 14 years her age will be 3 times her age 14 years ago. What is Y?
2. The width W of a rectangle is 5 cm shorter than its length. The perimeter is 50cm. What is W?
3. The length of a rectangle is 1 cm longer than 2 times its width W. The perimeter of this rectangle is 32cm. What is W?
4. David is Y years old. In 15 years he will be 2 time as old as he was 10 years ago. What is Y?

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