Question

Huilan's age is two times Thomas's age. The sum of their ages is 45 . What is Thomas's age?

Answer 1

So let's pretend Huilan's age is X

Answer 2

Thomas's age is T

Answer 3

let H=huilan and T=thomas

then you can set up 2 equations

H=2T
T+H=45

to solve, use substitution.
substitute the first equation into the second
so

T+2T=45
now solve for T

Answer 4

ok

Answer 5

@nikato is explaining it

Answer 6

1 sec

Answer 7

is it 14

Answer 8

i mean 15

Answer 9

correct. so Thomas is 15 years old

Answer 10

ok thANK U SO MUCH

Answer 11

both of u

Answer 12

no problem