sweetduck834
sweetduck834 sweetduck834
  • 13-04-2018
  • Mathematics
contestada

please someone help me please :(

please someone help me please class=

Respuesta :

MathGenius04
MathGenius04 MathGenius04
  • 13-04-2018
C = 19.99 + 0.15x

1️⃣ C = 0.15(78) + 19.99

2️⃣ C = 11.7 + 19.99

3️⃣ C = 31.69


4️⃣ The total cost is $31.69

5️⃣ The cost to send 78 text messages is $11.70

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