Answer:
2A=A+A
Step-by-step explanation:
2A=A*A, not A+A
Answer c=5.196
c=sqrt(27)
c=5.196
A=automobile S=SUV
0.4A+A=98 (to change a percent to a decimal you move the decimal point two places to the right)
1.4A=98 (I combined like terms)
A=70 (divided each side by 1.4)