Robin can clean 72 rooms in 6 days How many rooms can Robin clean in 9 days?
Answers
Answer:
Step-by-step explanation:
Hello!
Robin can clean 72 rooms in 6 days. How many rooms can Robin clean in 9 days?
We have a proportional magnitude (directly proportional), if we increase the number of days for cleaning, obviously we will have more rooms cleaned, then:
clean rooms __________ days
72 ----------------------------------- 6
y ------------------------------------- 9
multiply the means by the extremes
Answer:
108 clean rooms in 9 days
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Step-by-step explanation:
in 6days robin can clean room =72
in 1days robin can clean room= 72/6
= 12
in 9days robin can clean room= 12×9
= 108
hence Robin can clean 108 room in 9 days
...666.....