Asked by Anonymous
After working 4 hours, Frank has made 21 machine parts. At the same rate, how many parts can he make in 7 hours?
A) (21/4)*7
B) 7(21)
C) 7(4) /21
D) 7(4)(21)
A) (21/4)*7
B) 7(21)
C) 7(4) /21
D) 7(4)(21)
Answers
Answered by
Reiny
solve
21/4 = x/7
21/4 = x/7
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