To be honest my example for this is 160
C+3c is 4c and -4+9 is 5 so your answer is 4c+5
Answer:
15
Step-by-step explanation:
30 / 2 = 15
You have to find the unit rate
SO..
7.70 / 154 = 0.05
So it cost her 0.05 cents for each text.
So then you divide $ 5.25 by the unit rate to get the number of text
5.25 /0.05 = 105
so she sent 105 text
To check it you just multiply the unit rate by the number of text you got and you show come up with $ 5.25
0.05 x 105 = 5.25