\[ 210 = \frac{10}{2}(5 + l) \]

Related Articles

• The sum of an arithmetic series is 210, with 10 terms and first term 5. What is the last term?
• Sum formula:
• \[ S_n = \frac{n}{2}(a + l) \]
• \[ 210 = 5(5 + l) \]
• \[ 42 = 5 + l \]
• \[ l = 37 \]

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