Answer:
The correct answer is the last option, that is, 
Step-by-step explanation:
We have been given that the first runner has $112 in savings, received a $45 gift from a friend, and will save $25 each month. Therefore, amount of money in the account of first running after m months will be: 
We have been given that the second runner has $50 in savings and will save $60 each month. Therefore, amount of money in the account of second running after m months will be: 
In order for amount of money to be equal in accounts of both the runners, we set up:

Upon rewriting the left hand side using commutative law, we get:

Therefore, we can see that the last option is the correct answer.
Answer:
3 dollars
Step-by-step explanation:
4 goldfish for $2 so 2 goldfish for $1
$1 plus $6 for the two $3 anglerfish
$10 -$7 = $3
6/15 . as 2/15 plus 6/15 is 8/15, which is greater than 1/2
Answer:
57
Step-by-step explanation: