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snow_lady [41]
3 years ago
13

The sum of two numbers is 83. The sum of 2 times the first number and 3 times the second number

Mathematics
1 answer:
xxTIMURxx [149]3 years ago
5 0

Answer: the two numbers are 46 and 37

Step-by-step explanation:

Given that:

Sum of two numbers = 83

Sum of two times the first number and three times the second number = 203

From the question :

Let the numbers = a and b respectively

a + b = 83 - - - (1)

2*a + 3*b = 203

2a + 3b = 203 - - - (2)

From (1) :

a + b = 83

a = 83 - b

Substitute a = 83 - b into (2)

2(83 - b) + 3b = 203

166 - 2b + 3b = 203

166 + b = 203

b = 203 - 166

b = 37

From;

a + b = 83

a = 83 - b

a = 83 - 37

a = 46

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mojhsa [17]

Answer:

x = 15 5/6

Step-by-step explanation:

-4 1/4x-7 6/8x=-190

get a common denominator 8

-4 1/4*2/2 x - 7 6/8 x = -190

-4 2/8 x - 7 6/8 x = -190

combine like terms

-11 8/8 x = -190

-12x = -190

divide by -12

-12x/-12 = -190/-12

x = 190/12

divide top and bottom by 2

x = 95/6

change to an improper fraction

6 goes into 95 15 times with 5 left over

x = 15 5/6

6 0
3 years ago
Kyle Eunice has 78 blocks. She stacked it in such a way that the topmost row has one block, the row below it has two blocks, and
myrzilka [38]

Answer:

12

Step-by-step explanation:

1

2

3

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6

7

8

9

10

11

12

1+2+3+4+5+6+7+8+9+10+11+12=78

6 0
3 years ago
A large bakery buys flour in 20-pound bags. The bakery uses an average of 1050 bags a year. Preparing an order and receiving a s
emmasim [6.3K]

Given the following:

  • Demand = 1050
  • Ordering cost = 15
  • Holding cost = 55

The economic order quantity is 24.

<h3>What is the economic order Quantity?</h3>

Eoq = √2 * demand * ordering cost / holding cost)

= √(2 * 1050 * 15 / 55)

EOQ = 24

<h3>What is the average number of bags on-hand?</h3>

The  Average inventory = EOQ / 2

= 24 / 2

= 12

<h3>How many orders per year will there be?</h3>

Expected number of orders = demand / EOQ

= 1050 / 24

= 44

<h3>What is the total cost of ordering and carrying flour?</h3>

Annual holding cost (AHC) = (EOQ / 2) * Holding cost

= (24 / 2) * 55

= 660

Annual ordering cost (AOC) = (demand / EOQ) * ordering cost

= (1050 / 24) * 15

= 656

Thus,

Total cost of managing = AHC + AOC

= 660 + 656

TCM = 1,316

<h3>If holding costs were to increase by $5 per year, how much would the minimum total annual cost?</h3>

5. For holding cost of 60

EOQ= √(2 * demand * ordering cost / holding cost)

= √(2 * 1050 * 15 / 60)

= 23

Annual holding cost = (EOQ / 2) * holding cost

this gives us

= (23 / 2) * 60

= 690

Annual ordering cost = (demand / EOQ) * ordering cost

= (1050 / 23) * 15

= 685

Total cost of managing = AHC+ AOC

= 690 + 685

= 1375

Change in total annual cost = new - old

= 1375 - 1316

= 59

Learn more about Economic order quantity:
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8 0
2 years ago
50 people sponsor Paula and she raises a total of $180.65 for charity. 28 people sponsor Kate and she raises a total of $135.60
topjm [15]

Answer:

485.5

Step-by-step explanation:

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4 0
2 years ago
If gas prices are now $3.75 and they were up 10% from 6 months ago, how much were gas prices 6 months ago?
Hatshy [7]

Given

gas prices are now $3.75 and it up 10% from 6 months ago.

Find out how much were gas prices 6 months ago.

To proof

gas prices now = $3.75

let the gas price 6 month ago = x

gas price now is rise up 10% from 6 months ago

First write 10% in simpler form

= \frac{10}{100}

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1.1x = 3.75

x =\frac{3.75}{1.1}

x = 3.41 (approx)

Thus gas prices 6 months ago be $ 3.41 (approx )

Hence proved

7 0
3 years ago
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