0
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Two.
3
45
-15
30 divied2
15 times 15 equals 225.
30 15+15=30
15
2 times 30 equals 60.
1. n + 3*5 = 30 2. n + 15 = 30 3. n + 15 = 30 - 15 -15 n = 15
10 times 12 equals 120.
1 * 30 2 * 15 3 * 10 5 * 6
2 x 1.5 = 3three2 x 1.5 = 3