SOLUTION: Jessica's cell phone plan costs $0.05 per minute to talk and $0.20 to send each text message . If she has $8.50 in her account and sends 20 text messages , how many minutes can she

Question 985786: Jessica's cell phone plan costs $0.05 per minute to talk and $0.20 to send each text message . If she has $8.50 in her account and sends 20 text messages , how many minutes can she talk ?
Answer by Timnewman(323) (Show Source): You can put this solution on YOUR website!
Hi dear,
She can make calls in 90 minuites
HERE IS THE WORKING:
If call cost per minuite =$0.05
Each massage sent cost $0.20
And Total money she has=$8.50
Then,
Cost of 20 text
massage=20*$0.20
=$4.0
Ammount left after 20 text massage =$8.50-$4.0
=$4.50
If $0.05 is call cost per minuites,
Then,
$4.50=(4.50/0.05)min
=90min
HOPE THIS HELPS?
Timnewman::
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