Answer:
The answer is x = 7. Hope this helps.
Answer:
4 + 0.32x
Step-by-step explanation:
0.32 = cost of one text message
0.32x = cost of x text messages
4 + 0.32x = monthly cost of x text messages
Ok, so in order to get tax on something you multiply the amount by the amount of tax in decimal form and then add back the original amount. So for this, you'd start with 8.64*0.07, which equals 0.6048. This rounds to 0.60. 8.64+0.60=9.24
So, he would owe $9.24 total.
Answer:

Step-by-step explanation:
I believe this is the correct answer. In order to check that my equations are correct I put in some dummy numbers.
a= 2
b=4
c= 