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Alden Paid $197 for 2 similar T-shirts and 3 similar pairs of jeans. Ben paid $236 for 1 such T-shirt and 4 such pairs of jeans. What was the cost of 1 pair of jeans?

 Nov 3, 2021
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Alden   2t + 3j = 197

Ben      1t  + 4j = 236    solve for j            <===== multiply this equation by -2 to get

            -2t  -8j - -472      Now add to the first equation....this will eliminate the 't'

 

                    -5j = -275

                            j = 55 dollars

 Nov 3, 2021

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