Answer:
Step-by-step explanation:
L=k/m + 2R
L-2R=K/m
K=m(L-2R)
L=4800 , R=290 , m=5/12
K=5/12 ( 4800-2(290))
K=5/12 (4800-580)
K=5/12(4120)
K=5275/3=1758.3
