Question 737955
P=2L+2W
L=4W+9
98=2(4W+9)+2W
98=8W+18+2W
98=10W+18
10W=98-18
10W=80
W=80/10
W=8 ANS.
L=4*8+9
L=32+9
L=41 ANS.
PROOF:
98=2*41+2*8
98=82+16
98=98