Answer:
2.68
Step-by-step explanation:
In similar triangles, the corresponding sides are in same ratio
x=13/2
3/4x=4 7/8
x= 4 7/8 divided by 3/4
check
3/4*13/2=39/8
=4 7/8
T= I divided by the quantity P times R
-1 is the answer