How to Calculate Relative Atomic Mass Without Abundance Information?

[synkk]

Homework Statement

46-Ti
47-Ti

Using the information in Table 1.1, calulate the relative atomic mass of this sample of titanium, Give your answer to 3 significant figures.

Homework Equations

The Attempt at a Solution

I only know how to figure out the relative atom mass if there is an abundance to the elements, for chlorine:

37 * 0.25 + 35 * 0.75 = 35.5

But for this i have no idea how to go about it.

 

[Borek]

If there is no other information, it can't be calculated.