Let's solve each problem step by step:
---
Problem 1:
Tina’s Ice Cream Shop opens at 11 o'clock every morning and closes at 9 o'clock at night. How many hours per day is Tina’s Ice Cream Shop open?
#### Solution:
1.
Opening time: 11:00 AM
2.
Closing time: 9:00 PM
To calculate the total hours the shop is open:
- From 11:00 AM to 12:00 PM (noon): 1 hour
- From 12:00 PM to 9:00 PM: 9 hours
Total hours = 1 hour + 9 hours =
10 hours
#### Final Answer:
$$
\boxed{10}
$$
---
Problem 2:
Every day starting at 1:30 o'clock in the afternoon, Tina gives free ice cream cones to all customers under the age of ten for 3 hours. At what time does she stop giving out free ice cream cones?
#### Solution:
1.
Start time: 1:30 PM
2.
Duration: 3 hours
Add 3 hours to the start time:
- 1:30 PM + 3 hours = 4:30 PM
#### Final Answer:
$$
\boxed{4:30 \text{ PM}}
$$
---
Problem 3:
It takes one batch of ice cream 5 hours to completely freeze and be ready for serving to customers. If Tina wants a batch of ice cream to be ready by 9:30 PM, what time should she put it in the freezer?
#### Solution:
1.
Ready time: 9:30 PM
2.
Freezing time: 5 hours
Subtract 5 hours from the ready time:
- 9:30 PM - 5 hours = 4:30 PM
#### Final Answer:
$$
\boxed{4:30 \text{ PM}}
$$
---
Problem 4:
Tina’s apartment is a 30-minute walk to her ice cream shop. If she wants to get to the shop at 10:45 AM, what time should she leave her apartment?
#### Solution:
1.
Arrival time at the shop: 10:45 AM
2.
Walking time: 30 minutes (or 0.5 hours)
Subtract 30 minutes from the arrival time:
- 10:45 AM - 30 minutes = 10:15 AM
#### Final Answer:
$$
\boxed{10:15 \text{ AM}}
$$
---
Problem 5:
On Saturdays, Tina teaches a "make your own ice cream" workshop that starts at 1:30 PM and lasts for one and a half hours. What time does the workshop end?
#### Solution:
1.
Start time: 1:30 PM
2.
Duration: 1.5 hours (or 1 hour and 30 minutes)
Add 1.5 hours to the start time:
- 1:30 PM + 1 hour = 2:30 PM
- 2:30 PM + 30 minutes = 3:00 PM
#### Final Answer:
$$
\boxed{3:00 \text{ PM}}
$$
---
Problem 6:
Tina’s Ice Cream Shop closes at 9:00 PM. When she looked at her watch, she realizes that the shop is going to close in 75 minutes. What time did she look at her watch?
#### Solution:
1.
Closing time: 9:00 PM
2.
Time remaining until closing: 75 minutes (or 1 hour and 15 minutes)
Subtract 75 minutes from the closing time:
- 9:00 PM - 1 hour = 8:00 PM
- 8:00 PM - 15 minutes = 7:45 PM
#### Final Answer:
$$
\boxed{7:45 \text{ PM}}
$$
---
Final Answers:
1. $ \boxed{10} $
2. $ \boxed{4:30 \text{ PM}} $
3. $ \boxed{4:30 \text{ PM}} $
4. $ \boxed{10:15 \text{ AM}} $
5. $ \boxed{3:00 \text{ PM}} $
6. $ \boxed{7:45 \text{ PM}} $
Parent Tip: Review the logic above to help your child master the concept of 8th grade math word problems worksheet.