Elizabeth and her sister earned money shoveling snow over winter break. Altogether, they shoveled for a total of 30 hours. Eliza
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<h3>Given:</h3>
The sum of three times a Number (x) and (15) is equal to 42.
<h3>To find:</h3>The numbers.
<h3>Solution:</h3>The first no. will be
And,the second no. will be
Therefore,the first number will be ,
Hence,Verified.