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seraphim [82]
3 years ago
5

Julie has 5 times as many red beads as green beads. She has half as many yellow beads as red beads. She has 12 green beads.

Mathematics
1 answer:
DENIUS [597]3 years ago
7 0

1 5 times as many red as green, 12 green. 12x5 is 60

Half as many yellow as red, 60 red. 60 divided by 2 is 30

12 plus 60 plus 30 is 102

She has 102 beads

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Step-by-step explanation:

În această întrebare, ne preocupăm să calculăm numărul de răspunsuri corecte și de răspunsuri greșite pe care elevul le-a dat.

În primul rând, începem prin atribuirea de variabile.

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înseamnă că; 7x -5y = 232 ••••••••• (ii)

De la i, putem spune y = 40 -x să punem acest lucru în ecuație

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