Answer:
for 10. a
for 11. f.
Step-by-step explanation:
9514 1404 393
Answer:
Step-by-step explanation:
Let k represent Kim's age. Then Jack's age is k-5 and the total of their ages is ...
k + (k -5) = 21
2k = 26 . . . . . . . add 5, collect terms
k = 13 . . . . . . . . . divide by 2; Kim's age
k -5 = 8 . . . . . . . Jack's age
Kim is 13; Jack is 8.
Answer:
x = 1/y
Step-by-step explanation:
Answer:
1. yes
2. 3
3. 1x
4. y=1x+3 or y=x+3
Step-by-step explanation: