Answer:
accounting=30, economics=15, only one=35
Step-by-step explanation:
a=2e
5 both
10 neither
40=a+e-5
45=a+e
45=2e+e
e=15
a=2e
a=30
f
Answer:
x=31°
Step-by-step explanation:
2x-7+x+4 = 3x-3
90+3 = 3x
93 = 3x
x = 93/3
x = 31°
Answer:
x=1/3
Step-by-step explanation:
10x = x+3
9x=3
x=1/3
