Danielle's text messaging plan costs $14 for the first 500 messages and 10¢ for each additional text message. If she owes $27.70

Question

3 years ago

12

for text messaging in the month of September, how many text messages did she send that month?

1 answer:

sasho [114] · Answer 1 · 2022-02-11T07:27:38+03:00

4 0

27.7-14=Cost above 500 msg

13.7=C

E=number of Extra messages sent

C=0.1E

13.7/0.1=E

137=E

Total messages=T

T=500+E

T=500+137

T=637

Danielle sent 637 messages in September