a clothing store offers a 20% discount on all purchases. what is the discount in dollars (before tax) for an item originally costing \$21?
Asked 4/13/2014 10:35:37 PM
Updated 4/14/2014 12:43:13 AM
g
Original conversation
User: a clothing store offers a 20% discount on all purchases. what is the discount in dollars (before tax) for an item originally costing \$21?

User: A taxi company charges \$2.40 for the first mile and \$1.20 per mile for each additional mile. How much would the bill be for a 15 mile trip?

Asked 4/13/2014 10:35:37 PM
Updated 4/14/2014 12:43:13 AM
Rating
3
\$19.20 is the bill for a 15 mile trip.
1.20*14+2.40=19.20

Added 4/14/2014 12:43:13 AM
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3 (x + 4) - 7 when x = 9.
3 (9 + 4) - 7
=(3)(13) - 7
=39 - 7
=32
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