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ch4aika [34]
2 years ago
8

A store is having a sale on almonds and jelly beans. For 3 pounds of almonds and 5 pounds of jelly beans, the total cost is $19

. For 9 pounds of almonds and 7 pounds of jelly beans, the total cost is $35 . Find the cost for each pound of almonds and each pound of jelly beans.
Cost for each pound of almonds: $
Cost for each pound of jelly beans:$
Mathematics
1 answer:
yaroslaw [1]2 years ago
6 0

Answer:

Almond: $7/4 per pound

Jelly Bean: $ 11/4 per pound

Step-by-step explanation:

A: almond

J: jelly bean

3A + 5J = 19 .... multiply 9 each side

27A + 45J = 171 .....(1)

9A + 7J = 35 .....multiply 3 each side

27A + 21J = 105 ....(2)

(1) - (2)    24J = 66

J = 66/24 = 11/4

3A + 5 x 11/4 = 19

3A = 21 / 4

A = 7/4

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