Answer:
4 hours
Step-by-step explanation:
For Pham to maximize her income, she must consider the jobs with the highest per-hour earnings first. She has 15 hours to work. Her priorities should be as below.
Work at the cafe for 6 hours for $15 per hour
Work at the garage for 5 hours for $13 per hour
Work at the books store for 4 hours for $12 per hour
A total of 15 hours. Pham can work at the book store for 4 hours per week to maximize her income.
might be wrong srry
If for the slower printer it takes 10 hours for the whole thing, how much has it done in 1 hour? well, since it takes 10 hours total, in 1 hour it has only done 1/10 th of the whole work.
the faster printer however, can do it in 6 total, how much has it done in 1 hour? well, 1/6 of the whole work.
now, let's say, they both work together, and it takes "t" hours to finish the whole thing with both rolling.
let's add both rates to see how much that is,
which is 3 hours and 45 minutes.
Step-by-step explanation:
1.) 18=v
2.) p=5
3.) b=8
4.) n=9
5.)m=-16
6.)x=20
0.01426653239342
Give me a rating if this helped.