Answer:
25%
Step-by-step explanation:
Answer:
x=-1 and x=1
Step-by-step explanation:
all you have to do is replace the letters with numbers and
Answer:
Maria: (50 bulbs)/(2 hours) = 25 bulbs/hour
Lois: (45 bulbs)/(3 hours) = 15 bulbs/hour
Together: 25 + 15 = 40 bulbs/hour
(150 bulbs)/(40 bulbs per hour) = 3 3/4 hours
(3/4 hours)(60 minutes/hour) = 45 minutes
Total time: 3 hours 45 minutes
Answer:
The answer is 20 hours
Step-by-step explanation:
20x60=1200
1200÷60=20
