Mary is 36 and her son is 12
m=3s
m+12=2s+24
12= -s+24
s=12
Answer:
=3
Step-by-step explanation:
0
0 is an integer.
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There you go............
70
x ≤ 9 or x ≥ 10
2x + 7 ≥ 27
2x ≥ 20
x ≥ 10
or
3+ 3x ≤ 30
3x ≤ 27
x ≤ 9