Eunice's answer to Jenny Yong's Primary 5 Maths question.
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5 stools and 4 tables cost $99.45
10 stools and 3 tables cost $178.90
Use ($178.90 - $99.45) to get the cost difference of 5 stools and 3 tables.
The cost difference is $79.45
Since 5 stools & 4 tables cost $99.45 and 5 stools & 3 tables cost $79.45, we can use ($99.45-$79.45) to find out the cost of one table.
10 stools and 3 tables cost $178.90
Use ($178.90 - $99.45) to get the cost difference of 5 stools and 3 tables.
The cost difference is $79.45
Since 5 stools & 4 tables cost $99.45 and 5 stools & 3 tables cost $79.45, we can use ($99.45-$79.45) to find out the cost of one table.
Date Posted:
7 years ago
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