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Alexxandr [17]
2 years ago
12

You buy 10 pounds of bird seed at store A for $11.50.Your friend buys 15 pounds of bird seed at Store B for $19.50.How much less

would u sped by buying 20 pounds of bird seed at the store with the better deal?
Mathematics
2 answers:
Dmitry [639]2 years ago
3 0

Answer:

$3

Step-by-step explanation:

You buy 10 pounds of bird seed at store A for $11.50 which means every pound is $1.15.

15 pounds of bird seeds store B for $19.50 is $1.30 per pound.

At store A = 20 * $1.15 = $23

At store B = 20 * $1.30 = $26

So, 26 - 23 = 3

irina [24]2 years ago
3 0

Answer:

You would spend $3 less by buying 20 pounds of bird seeds at the store with the better deal.

Step-by-step explanation:

Given:

You can buy 10 pounds of birdseed at Store A for $11.50

10 pounds – $11.50

\mathrm{\dfrac{ \$11.50 }{ 10\:pounds  }}=\mathrm{\dfrac{ \$1.50 }{ 1\:pound  }}

1 pound – $1.15

To find the value for 20 pounds, we do:

20 pounds = 20 × 1.15 = $23

20 pounds = $23

Your friend buys 15 pounds of birdseed at Store B for $19.50

15 pounds – $19.50

\mathrm{\dfrac{ \$19.50 }{ 15\:pounds  }}=\mathrm{\dfrac{ \$1.3 }{ 1\:pound  }}

1 pound – $1.3

To find the value for 20 pounds, we do:

20 pounds = 20 × 1.3 = $26

20 pounds = $26

Now we compare each stores value for 20 pounds of bird seeds:

$23 < $26

The store with the better deal is: Store A

So, you would spend $3 less by buying 20 pounds of bird seeds at the store with the better deal.

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