You would change 30 percent to a decimal, so .3 is your multiplyer
Plug in x = 7
<span>y= 330 - 25(x)
</span><span>y= 330 - 25(7)
</span><span>y= 330 - 175
y = 155</span>
Answer:
y=2
Step-by-step explanation:
1) factor the equation
2) set factors equal to 0