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Svetlanka [38]
2 years ago
14

20 POINTS Compost costs $10 per cubic yard and topsoil costs $2 per cubic yard. Maria needs more than 10 cubic feet of topsoil.

She can spend no more than $50. The graph below represents the amount of each she can buy.
Which amounts of materials satisfy the relationship?
2 cubic yards of compost, 8 cubic yards of topsoil
4 cubic yards of compost, 5 cubic yards of topsoil
1 cubic yard of compost, 12 cubic yards of topsoil
3 cubic yards of compost, 12 cubic yards of topsoil
Mathematics
2 answers:
Morgarella [4.7K]2 years ago
8 0
I can't see the graph but let's use logic
hmm, more than 10 cubic feet of topsoil so the first and 2nd options are wrong

let's ee the costs
3rd option
10*1=10
2*12=24
10+24=34 and 34<50, that is fine

4th option
3*10=30
2*12=24
30+24=54
54>50, nope, that is over cost


answer is 3rd one
the one with 1 cubic yard compost and 12 cubic yard topsoil
kykrilka [37]2 years ago
7 0

Answer:

1 cubic yard of compost, 12 cubic yards of topsoil

Step-by-step explanation:

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What’s the x value of PR=9x-31 and QR=43?
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<h3>Simplifying </h3>

9x + -31 = 43

<h3>Reorder the terms:</h3>

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<h3>Solving</h3>

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<h3>Solving for variable 'x' .</h3><h3>Move all terms containing x to the left, </h3>

Add '31' to each side of the equation .

0 + 31 +9x = 43 + 31

<h3>Combine like terms: </h3>

-31 + 31 =0

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<h3>Combine like terms:</h3>

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Orin solved an equation and justified his steps as shown in the table.
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