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Ronch [10]
3 years ago
11

I dont understand it and I don't get what it's asking for

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
5 0
1/5 = 2/10
1/2 = 5/10

1/10 + 2/10 + 5/10 = 8/10.

8/10 = 4/5.

4/5 is your final answer.
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larisa86 [58]

Answer:

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2 years ago
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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
3 years ago
Is how many sixth graders attend your school a statistical question?
HACTEHA [7]
Yes, any question that involves numbers would be a statistical question. 
8 0
3 years ago
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What is 13/6 as a whole number?
SIZIF [17.4K]

Answer: 2 1/6

Step-by-step explanation: 13 divided by 6

8 0
2 years ago
Martin decided to buy 2 bags of grapes weighing 5 and two-thirds pounds each, instead of the 3 bags weighing 4 and one-fifth pou
Katyanochek1 [597]

Answer:

He ended up with about 1 pound less grapes.

Step-by-step explanation:

8 0
2 years ago
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