Five binders and three folders cost $23. Five binders and one folder cost $20. How much does one binder cost?
2 answers:
Answer:
one binder for $3.70
Step-by-step explanation:
The cost of 5 binders and 3 folders = $23.00
The cost of 5 binders and 1 folder = $20.00 [ 2 folders less ]
Cost of 2 folders = 23 - 20 = $3.00
Cost of 1 folder = = $1.50
The cost of 5 binders = 20.00 - 1.50 = $18.50
The cost of 1 binder =
= $3.70
The cost of one binder is $3.70
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The answer is: [A]: " 
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Given:
2/ (7x) = 6/5;
→ (6/5) * (7x) = 2 ;
42x / 5 = 2 ;
42x = 2*5 ;
42x = 10 ;
42x /42 = 10/42 ;
x = 10/42 = (10÷2) / (42÷2) = 5/21 ;
x = ;
→ which is: Answer choice: [A]: " " .
__________________________________________________
________________________________________
Given:
2/ (7x) = 6/5;
→ (6/5) * (7x) = 2 ;
42x / 5 = 2 ;
42x = 2*5 ;
42x = 10 ;
42x /42 = 10/42 ;
x = 10/42 = (10÷2) / (42÷2) = 5/21 ;
x =
→ which is: Answer choice: [A]: "
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