Answer:
<em>8 adults</em>
Step-by-step explanation:
1.) $78 - $6 = $72
2.) $72/$9 = 8
Answer:

Step-by-step explanation:

Subtract 4x from both sides:


Divide both sides by -5:


<span>7^2•3^2+(1+2)^0•3-4^2•1
= 49</span>•9 + 1•3 - 16<span>•1
= 441 + 3 - 16
= 428</span>
x-5= 0
move -5 to the other side
sign changes from -5 to +5
x-5+5= 0+5
x= 5
x-6= 0
x-6+6= 0+6
x= 6
Answer: B. 5 and 6