• anonymous
Dirk can clean a playground in 5 hours. Geralyn can clean a playground in only 4 hours. Which of the following can be used to determine the amount of time it would take for Dirk and Geralyn to clean a playground together? a. 1 over 5 plus 1 over x equals 1 over 4 b. 1 over x plus 1 over 4 equals 1 over 5 c. 1 over 5 plus 1 over 4 equals 1 over x d. 1 over 4 plus 1 over 5 equals x over 9
Algebra
• Stacey Warren - Expert brainly.com
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SOLVED
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