Question

seven girls take 3 min 30s to do a dance routine for an exam.
how long will it take a group of nine girls to do the same routine?
please tell the correct answer with steps.​

Answer 1

Answer:

7 girls do the work in = 120s ( 3min 30s)

1 girl will do it in = 120 * 7

9 girls will do it in = 120 * 7 / 9

= 93 s

= 3 min 3s

Step-by-step explanation:

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