J_CK
_S
28,
J_HN
_S
21.
L_T
_
_ND
B
B_
J_CK'S
_ND
J_HN'S
_G_
R_SP_CT_V_LY.
S_,
_
+
B
=
49
TH_
D_FF_R_NC_
_N
TH__R
_G_S
(_
-
B),
_LW_YS
R_M__N
TH_
S_M_.
"WH_N
J_CK
W_S
_S
_LD
_S
J_HN
_S
N_W"
M__NS
J_CK'S
_G_
W_S
B
_ND
J_HN'S
_G_
H_D
T_
B_:
B
-
(_
-
B)
=
2B
-_
J_CK
_S
N_W
TW_C_
TH_
_G_,
S_:
_
=
2(2B
-
_)
_
=
4B
-
2_
3_
=
4B
S_BST_T_T_NG
(_
+
B
=
49),
W_
C_N
G_T
B
=
21
_ND
_
=
28