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motikmotik
3 years ago
5

DVD cases are sold in packages of 20 padded mailing envelopes or so in packets of 12 what is the least number of cases and envel

opes you could buy so that there is one case for each envelope with none left over
Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
7 0
The least number of cases and envelopes so that there would be no remainder can be determined by finding their least common multiple. The solution is as follows

     4 | 20  12
        ---------------
        |  5     3
        -------------------

Multiplying 4*5*3 = 60. The least common multiple is 60. Thus, there should be at least 60 each of the envelopes and the packets.

Number of mailing envelopes = 20x = 60
x = 3 
Number of packets = 12y = 60
y = 5

That would be 3 packs of the envelopes, and 5 packs of the packets.


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4
user100 [1]
The answer is 15 I’m pretty sure
6 0
3 years ago
in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea
kompoz [17]

Answer:

2011

Step-by-step explanation:

Here is the formula.

A=P(1+r)^{n}

A = Final Value

P = Starting Value

R = Rate

N = Time in Years

A = 8,000,000,000

P = 5,400,000,000

R = 0.0195

N = Time in Years

Solve for n.

20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.

6 0
2 years ago
What property of equality would you use to solve the equation n/4 = 16.
Triss [41]

Answer:

Multiplication Property of Equality.

Step-by-step explanation:

Isolate the variable, n. Note the equal sign, what you do to one side, you do to the other.

Multiply 4 to both sides of the equation:

(n/4) * 4 = (16) * 4

n = 16 * 4

n = 64

n = 64 will be your answer.

~

3 0
3 years ago
Read 2 more answers
Can someone help me ​
ICE Princess25 [194]

Answer:

S=49

Step-by-step explanation:

Any triangle has an interior angle of 180.

So just add them up and set the sum equal to 180 degrees.

2s+s+33=180

3s=180-33

3s=147 .   Divide both sides by 3 to isolate variable s

s=49

7 0
2 years ago
Read 2 more answers
A car travels distance of 340km at an average speed of 85km/h.How long does it take the car to travel in distance?​
Naily [24]
Distance = speed x time

time = distance/speed
= 340/85
= 4h
3 0
2 years ago
Read 2 more answers
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