Brent has two barcode printing machines. Each machine can print 25 barcodes per minute. On day 1, only the first machine was use
2 answers:
Answer:
The total number of barcodes printed by both machines during these two days is given by
Step-by-step explanation:
Given : Brent has two barcode printing machines. Each machine can print 25 barcodes per minute. On day 1, only the first machine was used, and it printed 95 barcodes. On the following day, the first machine printed for x minutes and the second machine printed for y minutes.
To find : Which expression shows the total number of barcodes printed by both machines during these two days?
Solution :
On day 1,
Only the first machine was used, and it printed 95 barcodes.
So, On 1 day the number of barcodes print = 95
On day 2,
The first machine printed for x minutes and the second machine printed for y minutes.
We have given that, Each machine can print 25 barcodes per minute.
In x minutes it print 25x barcodes.
In y minutes it print 25y barcodes.
So, On 2 day the number of barcodes print is
The total number of barcodes printed by both machines during these two days is given by
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Answer:
There are a 25% probability that Christine fails the course.
Step-by-step explanation:
We have these following probabilities:
A 50% probability that Christine finds a tutor.
With a tutor, she has a 10% probability of failling.
A 50% probability that Christine does not find a tutor.
Without a tutor, she has a 40% probability of failing.
Probability that she fails:
10% of 50%(fail with a tutor) plus 40% of 50%(fail without a tutor). So
There are a 25% probability that Christine fails the course.
Answer:
b) $120 , $ 80
Step-by-step explanation:
Ratio = 3 :2
Total = 3 + 2 = 5
3/5 of 200 =
= 3 * 40
= $ 120
2/5 of 200 =
= 2 * 40
= $ 80