Mathematics, 28.10.2020 19:30 vvkaitlynvv4982
Layne earns $20 an hour as a carpenter and $25 an hour as a blacksmith. Last week he worked both jobs for a total of 30 hours and earned a total of $690. **only write the system of equations for the question**
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Layne earns $20 an hour as a carpenter and $25 an hour as a blacksmith. Last week he worked both job...
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