# algebra

Sylvia bought a 6-month \$1900 certificate of deposit. At the end of 6 months, she received a \$209 simple interest. What rate of interest did the certificate pay

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1. I = PRT
209 = 1900 * R * 0.5
209 = 950R
209/950 = R
0.263 = 26.3% = R

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2. Sylvia bought a 6-month \$600 certificate of deposit. At the end of 6 months, she received a \$42 simple interest. What rate of interest did the certificate pay

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