Answer
a, BLUE JEANS
b, TEST TODAY
C, EAT DIM SUM
Work Step by Step
(a) Given
EOXH W-IDQV
let A=o, B=l, C-=2, D=3, E=4, F=5, G-=6, H=7, 1=8, J=g, K=IO, 1—11,
M-=12, N=13, 0=14, P-=15, Q-=16, R=17, S=18, T-=lg, U=20, V-=21,
W=22, X-=23, Y=24, Z=25
414 237 12731621
let us apply the decryption = (p — 3) mod 26:
1 11 204 9401318
let A=o, B=l, C-=2, D=3, E=4, F=5, G-=6, H=7, 1=8, J=g, K=IO, 1—11,
M-=12, N=13, 0=14, P-=15, Q-=16, R=17, S=18, T-=lg, U=20, V-=21,
W=22, X-=23, Y=24, Z=25
BLUE JEANS
(c) Given
HDW GLP vx:p
let A=o, B=l, C-=2, D=3, E=4, F=5, G-=6, H=7, 1=8, J=g, K=IO, 1—11,
M-=12, N=13, 0=14, P-=15, Q-=16, R=17, S=18, T-=lg, U=20, V-=21,
W=22, X-=23, Y=24, Z=25
73 22 61115 21 23 15
let us apply the decryption (f— 3) mod 26:
4019 3812 182012
let A=o, B=l, C-=2, D=3, E=4, F=5, G-=6, H=7, 1=8, J=g, K=IO, 1—11,
M-=12, N=13, 0=14, P-=15, Q-=16, R=17, S=18, T-=lg, U=20, V-=21,
W=22, X-=23, Y=24, Z=25
EAT DIM SUM
