B. r = 75m + 1350 I think is the answer. I hope this helped you!
No, because of the unknown symbol of ^
option B is the correct answer friend.
it is distributive property
100+16=116 is the right answer
Answer:
20 years apart.
Step-by-step explanation:
Daughter is 10 years old, and mother is 3 times older. This makes mother 30 years old. There is a 20 year difference between them.
Ten years later, the daughter is 20 years old. Since the mother is 20 years older, she is now 40, which is 2 times older than the daughter.