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andreyandreev [35.5K]
3 years ago
7

Jeff has $24. He spend $10.81, including tax, to buy a new DVD. He needs to set aside $10 to pay for his lunch next week. If pea

nuts cost $0.38 per package, including tax, what is the maximum number of packages Jeff can buy???? Plzzz I will give you 100 points
Mathematics
1 answer:
nata0808 [166]3 years ago
8 0

Answer:

He can buy 8 packages of peanuts

Step-by-step explanation:

24 - 10.81 = 13.19   Subtract the DVD cost from the $24

13.19 - 10 Subtract the amount that he needs to set aside

3.19 / 0.38 Divide

8 Round to the nearest whole package

8 packages


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Answer:

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2 years ago
What is seven over twenty one take away one over twenty one in its simplest form
natulia [17]
It would be 6/21 but simplified it would be 2/7
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3 years ago
G(-4, -8) and H(-15, -3). What is the slope of GH?
Masteriza [31]

Answer:

G(x1,y1)= (-4,-8)

H(x2,y2)=(-15,-3)

Slope = (y2-y1)/(x2-x1)

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3 0
3 years ago
A pet store sells goldfish and hermit crabs,
Elis [28]

Answer:

Cost = \$28

Step-by-step explanation:

Given

Represent Goldfish with g and hermit crabs with h.

The first statement, we have:

7g + 3h = 26

The second statement, we have:

4g + 5h = 28

Required

Determine the selling price of 6 goldfish and 4 hermit crabs

The equations are:

7g + 3h = 26 --- (1)

4g + 5h = 28 --- (2)

Make g the subject in (2)

4g + 5h = 28

4g = 28 - 5h

Divide both sides by 4

g = \frac{1}{4}(28 - 5h)

Substitute \frac{1}{4}(28 - 5h) for g in (1)

7g + 3h = 26

7(\frac{1}{4}(28 - 5h)) + 3h = 26

\frac{7}{4}(28 - 5h) + 3h = 26

Multiply through by 4

4 * \frac{7}{4}(28 - 5h) + 4*3h = 26*4

7(28 - 5h) + 4*3h = 26*4

Open bracket

196 - 35h + 12h = 104

196 -23h = 104

Collect Like Terms

-23h = 104-196

-23h = -92

Make h the subject

h = \frac{-92}{-23}

h = \frac{92}{23}

h = 4

Substitute 4 for h in g = \frac{1}{4}(28 - 5h)

g = \frac{1}{4}(28 - 5*4)

g = \frac{1}{4}(28 - 20)

g = \frac{1}{4}(8)

g = 2

This implies that:

1 goldfish = $2

1 hermit crab = $4

The cost of 6 goldfish and 4 hermit crabs is:

Cost = 6g + 4h

Cost = 6*\$2 + 4*\$4

Cost = \$12 + \$16

Cost = \$28

5 0
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3 years ago
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