If it takes Nancy 30mins. longer than Digna to type a set of documents, what is Nancy’s rate (in job per hour) if Digna’s rate is x?
A.1/x+30 B.x+30 C. x-30 D. 1/x-30
A.1/x+30 B.x+30 C. x-30 D. 1/x-30
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Letter A
Questions:
If it takes Nancy 30mins. longer than Digna to type a set of documents, what is Nancy’s rate (in job per hour) if Digna’s rate is x?
A. 1/×+30
B. B.x+30
C. x-30
D. 1/x-30