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Ulleksa [173]
2 years ago
8

At the farmer's market,

Mathematics
1 answer:
Flura [38]2 years ago
3 0

Answer:

Cantaloupe = $6, peach=$5

Step-by-step explanation:

8x+3y=63\\2x+3y=27\\

Subtract the first one from the second one

8x-2x+3y-3y=63-27\\6x=36\\x=6\\

Plug in:

2(6)+3y=27\\12+3y=27\\3y=15\\y=5

Hope this helps plz hit the crown :D

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Oh, I remember this one. Here's this if you need it, if it doesn't help then let me know.

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3 years ago
Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $10 to spend on these items to make a large meal of beans
Valentin [98]

Answer:

1.   2r+1.6b=10

2.  r=5-0.8b

3.  b=6.25-1.25r

Step-by-step explanation:

<h3> The complete exercise is: "Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $10 to spend on these items to make a large meal of beans and rice for a potluck dinner. Let b be the number of pounds of beans Lin buys and r be the number of pounds of rice she buys when she spends all her money on this meal.</h3><h3>1. Write an equation relating the two variables.</h3><h3>2. Rearrange the equation so "b" is the independent variable.</h3><h3>3. Rearrange the equation so "r" is the independent variable."</h3><h3 />

1. According to the information exercise given in the exercise, the cost per pounds of brown rice is $2. Since "r" represents the number of pounds of rice Lin buys, the total cost of the brown rice she buys can be represented with this expression:

2r

The beans cost $1.60 per pound. Since "b" represents the number of pounds of beans Lin buys, the total cost of beans she buys can be represented as:

1.6b

Knowing that she spends $10, you can write the following equation:

2r+1.6b=10

2. In order to rearrange the equation so "b" is the independent variable, you need to solve for "r":

2r+1.6b=10\\\\2r=10-1.6b\\\\r=\frac{10-1.6b}{2} \\\\r=5-0.8b

3. To rearrange the equation so "r" is the independent variable, you must solve for "b". You get:

2r+1.6b=10\\\\1.6b=10-2r\\\\b=\frac{10-2r}{1.6}\\\\b=6.25-1.25r

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2 years ago
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Step-by-step explanation:


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19 = (1/2)h


(1/2)h = 19 multiply both sides by 2


h = 2*19


h = 38 km

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