Answer:
base -l*b - 13*6.5 - 84.5
2c-4+5c+3 = 90
7c-1 = 90
7c = 91
c = 13
125÷2=67.5
67.5+67.5=125
113
Step-by-step explanation:
290 - 64 = 226
226 ÷ 2 = 113