Question

giving brainliest and 34 points. PLEASE ANSWER THIS USING A TABLE AND SHOW ALL STEPS PLEASE!

#2 : In three years, Bob will be twice as old as Karen. Two years ago, Bob was three times as old as Karen. How old is Karen now?

#3 :Five years ago, Amy was six years younger than twice Sarah's age. In 4 years, the sum of their ages will be 45 years. How old will amy be in 10 years?

Answer 1

Answer:

#2 Karen is 7 years old

#3 Amy will be 31 years old in 10 years

Step-by-step explanation:

2#:

1. b+3=2(k+3)
2. b-2=3(k-2)
3. 2b+1=5k
4. 2b-5k=-1
5. b-2k=3
6. 2b-4k=6
7. 2b-4k-(2b-5k)=6-(-1)
8. k=7

3#:

1. a+1=2(s-5)
2. a+s+8=45
3. a-2s=-11
4. a=37-s
5. 37-3s=-11
6. -3s=-48
7. s=16
8. a=37-16
9. a=21
10. 21+10=31