A lending library has a fixed charge for the first three days and an additional charge for each day thereafter sarita paid rs. 27 for a book kept for seven days, while susy paid rs. 21 for the book she kept for 5 days. Find the fixed charge and the charge for each extra day respectively.
Answers
Answered by
74
x + 4y = 27
x + 2y= 21
solve eqh u will get the value of y ...
2y= 6
y = 3
put the value of y in any eqh
the value of x = 15
Similar questions