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Oxana [17]
3 years ago
15

Tree pruning company A charges a one-time $100 equipment fee and charges $50 for each tree that it prunes. Tree pruning company

B charges a one-time $80 equipment fee and charges $60 for each tree that it prunes.
Let the variable t represent the number of trees pruned and let the variable c represent the cost. For how many pruned trees will the cost be the same for both companies?

Which system of equations can be used to solve this problem?

{c=50+100tc=60+80t

{c=150tc=140t

{c=100−50tc=80−60t

{c=100+50tc=80+60t
Mathematics
2 answers:
kobusy [5.1K]3 years ago
8 0
The total cost that a customer should incur in its dealings with company A should be, 
                              c = 50t + 100
For company B
                              c = 60t + 80
Equating these two charges
                               c = 50t + 100 = 60t + 80
Thus, the answer is the fourth choice. 
jek_recluse [69]3 years ago
4 0

the answer is

{c=100+50tc=80+60t

hope this helps

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MariettaO [177]
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3x=(b+8a)/(a+6)
x=(b+8a)/3(a+6)
3a*(b+8a)/3(a+6)=b-18*(b+8a)/3(a+6)
a(b+8a)/(a+6)=b-6(b+8a)/(a+6)
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ab+8a^2=ab+6b-6b-48a
ab+8a^2=ab-48a
8a^2=-48a
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