I think the answer is r< 18
Answer:
x + y = 21x - y = 3
Step-by-step explanation:
Answer:
1/9
Step-by-step explanation:
Answer
42
Step-by-step explanation:
Let x be Chris's age before, x+35 be Chris's age now.
2(x+35) = 35+7x
2x+70 = 35 +7x
35=5x
7=x
7+35=42