To compare the proportional relationship of the number of hours the cat and the baby sleep each day, let's first calculate their average daily sleep time.
Cat:
- The cat sleeps 18 hours each day.
Baby:
- The baby slept a total of 91 hours over the week (7 days).
- To find the daily average, we divide the total hours by the number of days: \[ \text{Daily sleep} = \frac{91 \text{ hours}}{7 \text{ days}} = 13 \text{ hours/day} \]
Now we can compare the two averages:
- Cat: 18 hours/day
- Baby: 13 hours/day
Proportional Relationship: We can express the relationship in terms of a ratio of their sleep hours: \[ \frac{\text{Cat's sleep}}{\text{Baby's sleep}} = \frac{18}{13} \]
This means for every 18 hours the cat sleeps, the baby sleeps 13 hours.
In summary:
- The cat sleeps more than the baby on a daily basis, and the ratio of their sleep hours reflects this difference. The cat sleeps approximately 1.38 times more than the baby in a day.
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