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3 years ago

13

Uji apples cost $3.00 per pound, and Golden Delicious apples cost $2.00 per pound. A childcare center purchases 30 pounds of a c

ombination of the two types of apples for a total of $80.
A table titled Apples showing Pounds, Cost per Pound and Total. The first row shows Fuji and has 30 minus g, 3, and x. The second row shows Golden Delicious, and has g, 2, and blank. The third row shows Total, and has 30, blank, 80.

Which value could replace x in the table?
30 – g + g
3(30 – g)
30 – g(3)
30 – g + 3

2 answers:

aivan3 [116]3 years ago

7 0

Answer:

second one B. 3(30-g)

Step-by-step explanation:

d1i1m1o1n [39]3 years ago

6 0

Answer:

3(30-g)

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given

Represent Goldfish with g and hermit crabs with h.

The first statement, we have:

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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)

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$4g = 28 - 5h$

Divide both sides by 4

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

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

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Multiply through by 4

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

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Open bracket

$196 - 35h + 12h = 104$

$196 -23h = 104$

Collect Like Terms

$-23h = 104-196$

$-23h = -92$

Make h the subject

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

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

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

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

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This implies that:

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1 hermit crab = $4

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Step-by-step explanation:

$\frac{11-x}{8-x}=\frac{2}{1}$

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