Oranges were on sale for $0.45 per pound. Leo bought 12.6 pounds. Which expression shows how to determine the total cost of the oranges?

A 12.6 x 0.45

B 12.6 - 0.45

C 12.6 + 0.45

D 12.6 : 0.45

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Lauren Rob need to find a decimal equivalent to 39/50 Laura said she could write an equivalent fraction with 100 as the denominator in converted into a decimal. Rob said he could divide the numerator by the denominator. Who is correct?

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