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The sum of two numbers is 86, and their difference is 20. find the two numbers

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups