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Question
primary 5 | Maths
| Rate & Ratio
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How do I solve this question? Thanks
Date Posted: 4 years ago
Views: 315
9 weeks?
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Date Posted:
4 years ago
Don’t quite understand the part which says Mandy 6 weeks = 12/18. Can you please explain it?
The job is 18u
In 6 week...
Moore complete 6u only. As Moore took 18 weeks to complete alone. Mean 6 weeks complete 6u, balance 12u completed by Mandy in 6 weeks.
Mandy.
12u —-> 6 weeks
18u = 18/12 x 6 = 9 weeks.
In 6 week...
Moore complete 6u only. As Moore took 18 weeks to complete alone. Mean 6 weeks complete 6u, balance 12u completed by Mandy in 6 weeks.
Mandy.
12u —-> 6 weeks
18u = 18/12 x 6 = 9 weeks.
Thanks. It explains
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