Answer:
The answer is D
Explanation:
d. 3 and 5
the first number will be x and the second number will be y
2x + 3y = 21
2(3) + 3(5) = 21
6 + 15 = 21
5x + 3y = 30
5(3) + 3(5) = 30
15 + 15 = 30
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