1. 1
2. -4
3. 6
4. -2
5. -2
6. 2 (I think)
Answer:
6 hours.
Step-by-step explanation:
Let t represent the time taken by apprentice in hours to make a set of glasses when working alone.
Part of work completed by apprentice in one hour would be
.
We have been given that a glassblower can produce a set of simple glasses in about 2 hours. So part of work completed by glassblower in one hour would be
.
While working together, the job takes about 1.5 hours. So part of work completed by both in one hour would be
.
Now we will equate sum of work competed by both in hour by work completed by both working together is one hour as:








Therefore, it will take 6 hours for the apprentice to make a set of glasses when working alone.
Answer:
n/a
Step-by-step explanation:
A. t(h) = 5.5h + 50
B. t(6) = 5.5(6) + 50
t(6) = 85
C. (6, 85) This means that when the electrician for 7 hours, they get paid $85
Answer:
10
Step-by-step explanation:
Since 1 1/4 x 9 = 11 we can't just jam the extra half a pound into the containers. Therefore, we need 10 containers to securely place the 11 1/2lbs of salad into the containers.
Answer:
30
Step-by-step explanation:
15/3=5
5 x 5 = 25
25 + 5 = 30