SOLUTION: Can you please solve this problem? I need help setting up an equation. "Jake and Abigail worked on a job together. Jake earned three-fourths of what Abigail did. Together, they ear

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Question 896583: Can you please solve this problem? I need help setting up an equation. "Jake and Abigail worked on a job together. Jake earned three-fourths of what Abigail did. Together, they earned $140. How much did each earn?" Thanks.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +a+ = what Abigail earned
+%283%2F4%29%2Aa+%2B+a+=+140+
+%28+7%2F4+%29%2Aa++140+
+7a+=+560+
+a+=+80+
+%283%2F4%29%2Aa+=+%283%2F4%29%2A80+
+%283%2F4%29%2Aa+=+60+
Jake earned $60
Abigail earned $80