A consumer charges a $2,530. 16 purchase on a credit card. The card has a daily interest rate of 0. 42%. If the balance is paid off at the end of 30 days, how much interest will the consumer pay? a. $0. 32 b. $3. 19 c. $31. 88 d. $318. 78.

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

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