Financial Literacy Emily spent a total of $38.04 on four CDs. If each CD cost the same amount, what is a reasonable amount for the cost of each CD? Explain why your answer is reasonable.
Financial Literacy For each handmade greeting card Jacqui sells, she makes a profit of $0.35. In one week, she made a profit of $42. She sells the cards for $0.75 each.
a. About how many greeting cards did Jacqui sell that week?
Justify Conclusions The average cow produces about 53 pounds of milk per day. If one gallon of milk weighs about 8.5 pounds, estimate the number of gallons of milk a cow produces each day. Explain why your estimate is reasonable.
When full, a 22-gallon gas tank holds 129.8 pounds of gasoline. Estimate the weight of one gallon of gasoline. If it costs $91.30 to fill the gas tank, estimate the cost per gallon.
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