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taurus [48]
3 years ago
15

When Sandy and Allen's mother decorates the house for a holiday by herself, it takes her 5 hours. When both Sandy and Allen help

, the three can finish the job in 2.5 hours. When only Allen helps his mother decorate, it takes the two 3.5 hours. How long would it take Sandy to decorate the house by herself?
Mathematics
1 answer:
notsponge [240]3 years ago
6 0

Answer:

Step-by-step explanation:

Mother=5hrs

Sandy and Allen and mother=2.5

Allen with mother=3.5

It would take sandy 5hrs coz she decorates the house herself so if u think logically it took her mother 5 hrs so it would take her.Coz its only her doing it no one else is helping!

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