SOLUTION: Business and finance. The cost for a long-distance telephone call is $0.36 for the
first minute and $0.21 for each additional minute or portion thereof. Write an
inequality repre
Algebra.Com
Question 84175This question is from textbook beginning algebra
: Business and finance. The cost for a long-distance telephone call is $0.36 for the
first minute and $0.21 for each additional minute or portion thereof. Write an
inequality representing the number of minutes a person could talk without
exceeding $3.
This question is from textbook beginning algebra
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
.36+.21*M<=3
.36+.21M<=3
.21M<=3-.36
.21M<=2.64
M<=2.64/.21
M<=12.57 OR 12 MINUTES CAN BE USED FOR <=$3.00
PROOF
.36+.21*12<=3
.36+2.52<=3
2.88<=3
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