Answer: Optional
Step-by-step explanation:
Since c is greater than d, 2c would be greater than 2d, because when it’s like this 2c
It sometimes means multiply.
Let s be the son's age 15 yeasr ago and m the mother's age that year.

We also know that:

Plotting vallues:

Remember that they were that age 15 years ago.
So their actual age is 30 and 60.
Aw snap I better answer then lol
Answer:
The rules of a contest say that there is a 9% chance of winning a prize. Six hundred people enter the contest. Predict how many people will win a prize?
9/100 x 600= 54
Step-by-step explanation:
From the above analogy, it shows that 9% of the entire 600 people will win the prize of the contest. this means that out of 600 people 54 people has the chance to clinch the medal while 546 has the remaining percentage