Answer:
t cannot be -5 or 0 because these cause a 0 in the denominator and you cant divide by 0 that I'm aware of
Multiply each term by
b
and simplify.
a = cb
Rewrite the equation as
cb = a
Divide each term by
c
and simplify.
b = a/ c
36a+16b. The greatest common factor is 4
= 4(9a+4b)
The answer's are:
1. About the same.
2. Greater for the 13 - 14 year old's.
Hope this helps!