the answer is d (i think) because anything aboveboard .90, whether it is positive or negative
Setup: 4x-6=3x+4
<span>4x=3x+10 </span>
<span>1x=10 </span>
x = 10
When you increase something by 40%, multiply the something by 1.4
210*1.4=294
The answer is $294
Hope this helps!