Answer:
93answer of your question.
You can use the cosine rule for this - you might have to change some of the letters around for it to make sense though. Hope this helps!
First write the relationship in words: "What number is 35% of 400?"
Then write an equation to represent this relationship:

or, written another way

And then solve:

Then answer the question: "Adam has saved $140."
Will is W years old.Ben is 3 years older.
Jan is twice as old as Ben.
If you add together the ages of Will, Ben, and Jan the total comes to 41 years
1. W+3= ben age (W+3)*2= Jan age for all three: w+(w+3)+(w+3)2
Sorry i was trying to find a simplier equation and realized i need to do part 2 before i can. I'm trying sorry!
Answer:
You can't answer this question without knowing the total amount of money they all had in total.