danielaguardado63
20.10.2020 •
Mathematics
Danielle’s text messaging plan cost seven dollars for the first 700 messages and $.30 for each additional text message if she owes 1844 text messaging in the month of October how many text messages did she send that money
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Ответ:
1844-700= 1144
1144/.30=347.2+ 7 ( First 700 texts cost 7$)= $350.2
Ответ:
-0.5g-1.5=-6.5
We move all terms to the left:
-0.5g-1.5-(-6.5)=0
We add all the numbers together, and all the variables
-0.5g+5=0
We move all terms containing g to the left, all other terms to the right
-0.5g=-5
g=-5/-0.5
g=+10