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Leviafan [203]
3 years ago
8

Tom and Jerry have to stuff and seal 50 envelopes for a new marketing campaign. Jerry can stuff and seal 7

Mathematics
1 answer:
jekas [21]3 years ago
5 0

Answer:

It takes them 7minutes to finish 50env

Step-by-step explanation:

We know that jerry can stuff 7 in 2min and tom can do 4 per min, so 8 for every 2min.

So 8+7=15env for every 2min    7.5/min  

15+15=30+15=45

50=15x/2     50*2=15x      100=15x     100/15=x x=6.67 then rounded it to 7min

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Please help me with this assignment ASAP!!! I only partially understand, so please explain. Also it's a work sample.
Rudiy27
To find the answer, we can first find the distance each of them have, then divide it by their speed to find the time needed.

Distance Steve need to travel: 300 feet
Distance Paula need to travel:
300+175(behind steve) = 475 feet

Time needed respectively:

Steve: 300 ÷ 9 = 33.33.. seconds
Paula: 475 ÷ 15 = 31.66... seconds

As we can see from the result, Paula would take less time to reach the goal (31.66<33.33),
therefore, Paula win the bike race by:

33.33-31.67
=1.66...
≈1.67 feet

Thus Paula won by 1.67 feet.

Hope it helps!
5 0
3 years ago
A rectangle hale card has a length of 3/10 and a width of 4/5 find the perimeter
postnew [5]

Answer:

22/10 or 2 and 1/5

Step-by-step explanation:

To find the perimeter, add all sides together. Since it's a rectangle, the other sides are the same measurement as the ones given. Add 3/10, 3/10, 4/5, and 4/5 together. To do this, find a common denominator. The lowest common denominator is 10 so multiply the 4/5 by 2/2 to get the denominator to be 10. Now, add 3/10, 3/10, 8/10, and 8/10. It adds up to 22/10 but if you don't want an improper fraction, simplify it to 2 and 1/5.

4 0
3 years ago
2.Solve x squared - 4x by Factoring
777dan777 [17]

Answer:

Step-by-step explanation:

hello:

x²-4x=0  means : x(x-4)=0

x=0 or x-4=0

conclusion : x=0 and x= 4   ...answer : B

8 0
3 years ago
7b ÷ 12 = 4.2                  What is b?
saw5 [17]
\frac{7b }{12} = 4.2 \ \ /*12 \\ \\7b=4.2*12\\ \\7b= 50.4 \ \ \/:7\\ \\\frac{7}{7} \ b= \frac{50.4 }{7}\\ \\b= 7.2


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3 years ago
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