To compare the proportional relationship of the number of hours the cat and baby sleep each day, we need to find out how many hours they each sleep on average each day.
The cat sleeps 18 hours per day.
There are 7 days in a week.
So, the cat sleeps 18 hours / 7 days = <<18/7=2.57142>>2.57 hours per day on average.
The baby sleeps a total of 91 hours for the week.
So, the baby sleeps 91 hours / 7 days = <<91/7=13>>13 hours per day on average.
Therefore, the proportional relationship of the number of hours the cat and baby sleep each day is approximately 2.57:13, which can be simplified to 1:5.
Last week, Malika's cat sleeps 18 hours each day. Her baby slept 91 hours total for the week. Compare the proportional relationship of the number of hours the cat and baby sleep each day.
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