a. Write an expression that represents the following expression using the variable b: "Billy's age in 8 years."
b. Write an equation using the expression above if in 8 years Billy will be 21 years old.
c. How old is Billy now?
d. Write and solve a word problem that matches the equation: a - 6 = 10.

Question

a. Write an expression that represents the following expression using the variable b: "Billy's age in 8 years."
b. Write an equation using the expression above if in 8 years Billy will be 21 years old.
c. How old is Billy now?
d. Write and solve a word problem that matches the equation: a - 6 = 10.

anonymous · Answer

Billy will be 21 so that part of the equation will be "=21"

anonymous · Answer

wait... does it want you to make an equation and solve it?

anonymous · Answer

to find out how old he is now?

saifoo.khan · Answer

Let's suppose the time now is: x.
So EIGHT YEARS FROM now will be: x+8.
Can you do from here?

anonymous · Answer

thats what i said but i deleted it because i wasnt sure if an equation was needed to be made

anonymous · Answer

so you would have

x+8=21

saifoo.khan · Answer

Yes. You're right. @heather2292

anonymous · Answer

do you know how to do the rest?

anonymous · Answer

@friendzone ? do you know how to finish the problem