Question 262346
L=3W-7
2L+2W=98
2(3W-7)+2W=98
6W-14+2W=98
8W=98+14
8W=112
W=112/8
W=14 CM. IS THE WIDTH
L=3*14-7
L=42-7
L=35 CM. IS THE LENGTH.
PROOF:
2*35+2*14=98
70+28=98
98=98