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KATRIN_1 [288]
3 years ago
9

paper plates came in packages of 24 or 30. Joann bought 9 packages and a total of 258 plates. how many packages did she buy? PLE

ASE HELP
Mathematics
1 answer:
bixtya [17]3 years ago
5 0
Okay, let's use x for the 24 page packages and y for the 30 page packages:
x + y = 9
x = -y + 9
Now here's the second equation:
24x+30y = 258
We can input y into our second equation:
24(-y + 9) + 30y = 258
-24y + 216 + 30y = 258
6y = 42
y = 7
9 - 7 = 2, so:
Joann bought 7 :30 paper pakages
and 2 :24 paper packages
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From the question, we are to determine which of the given quantities are bigger or equal

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