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.
Use Picture Math, i cant type in the other cause brainly doesn't accept it but it is Ga_thMath. (u)
Answer:
B) 11.8
Step-by-step explanation:
First write in 4 for x and 2 for y
Then multiply 1.3 times 6 (4+2) and subtract 2-6
Your expression should now be 7.8 +4
After adding these, it should be 11.8