To deliver mulch, lawn and gardens charge $30 per cubic yard of mulch plus a $30 delivery fee. Yard depot charges $25 per cubic yard of mulch plus an extra $55 delivery fee. For how many cubic yards will the cost be the same? What will the cost be?

Question

14-01-2015
Mathematics

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To deliver mulch, lawn and gardens charge $30 per cubic yard of mulch plus a $30 delivery fee. Yard depot charges $25 per cubic yard of mulch plus an extra $55 delivery fee. For how many cubic yards will the cost be the same? What will the cost be?

Answer :

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shrilkshire shrilkshire · Answer 1 · 2015-01-14T20:32:53-05:00

shrilkshire shrilkshire

14-01-2015

so lawn and gardens will be 55 for one square yard and yard depot will be 80.
lawn and gardens costs 5 more for each cubic yard
80- 55 to get the difference in costs
25 is the difference
25/5
5 extra yards will be needed
proof:
lawn and garden = l
yard depot = y
l=30x +30
y=25x+55
30(5) +30
150+30
180

25(5) + 55
125 + 55
180

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