SOLUTION: Can anyone please help me how to solve this problem..I really need this two problems can you please anyone help me thanks :D . 1. A rectangle has a perimeter of 144 inches. The

Question 357556: Can anyone please help me how to solve this problem..I really need this two problems can you please anyone help me thanks :D .
1. A rectangle has a perimeter of 144 inches. The width of the rectangle is 12 inches less than the length. What is the width, in inches, of the rectangle?
2. Meldrick had $28 in his savings account. On Monday, he deposited his earnings from mowing lawns on the weekend. He earned the same amount the next weekend but deposited only 40% of these earnings. After making the two deposits, he had $70 in his account. How much did he earn in one weekend?
Can you please show the problems how did you get the answers. Thank-you i really appreciate it!! :D

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
1. 2W + 2L = 144 ___ dividing by 2 ___ W + L = 72
___ W = L - 12
___ substituting ___ (L - 12) + L = 72 ___ 2L = 84 ___ L = 42

2. 28 + x + .4x = 70 ___ 1.4x = 42 ___ x = 42 / 1.4
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