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arlik [135]
3 years ago
8

A share of stocks gained 12 points, then lost 114 points, and then gained 218 points. Find the overall change in its value.

Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0

Answer:

The overall change is 116points gained

Step-by-step explanation:

Points gained = 12points

Points lost  = 114points

Points gained  = 218points

Unknown:

Overall change in its value  = ?

Solution:

 The overall change  = Total points gained  - Total points lost

                                    = (218 + 12) - 114

                                     = 116points

The overall change is 116points gained

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stellarik [79]

Answer:

Bob at the store

Step-by-step explanation:

Bob is at a store and wants to buy a banana, last time he checked it costed 2/6 of a dollar. Now it costs 3/4 times more.

3 0
2 years ago
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Sam & Avery are making small and large birdhouses for a craft show. Small houses sell for $10 and large houses sell for $15.
Lemur [1.5K]

Answer:

  • 8 small houses; 0 large houses
  • 80 small houses; 0 large houses

Step-by-step explanation:

a) The maximum number of houses Sam can build in 24 hours is 8, so the constraint is in construction, not decoration. For each small house Sam constructs, he makes $10/3 = $3.33 per hour of work. For each large house Sam constructs, he makes $15/5 = $3.00 per hour. The most money is to be made by building only small houses.

Sam should make 8 small houses and 0 large houses in 24 hours.

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b) If Sam works 8-hour days, then he can complete at most 80 small houses. The constraint remains in construction, so the answer is the same: build only small houses.

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If Sam works more than 16 2/3 hours per day, he can build 100 large houses or more, so the constraint moves to decoration. The decorator makes more money by decorating large houses, so all the effort should go to construction of large houses.

If Sam works between 10 and 16 2/3 hours per day, the best revenue will come from some mix. The problem statement is unclear as to how many hours Sam works in 30 days.

5 0
3 years ago
Which of the following is the mark of a math novice as compared with a math expert?
malfutka [58]
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Step-by-step explanation:

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2 years ago
1/3(r+6) = 1/6(r+8) How do I get r?
Alexus [3.1K]
Hi,


WORK:

\frac{1}{3} \times (r + 6) = \frac{1}{6} \times (r + 8) \\

Multiply both sides of equation by 3.

r + 6 = \frac{1}{2} \times (r + 8)

Distribute one half thought parenthesis.

r + 6 = \frac{1}{2} \times r + 4

Multiply both sides of equation by 2.

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Move r variable to left side and change its sign.

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Collect the like terms.

r = 8 - 12

Result:

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r3t40
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