Math
posted by Ehtisham rajput .
Cost of 4 books and 5 pens is 32 and cost of 5 books and 4 pens is 31 then find the cost of 1 book B=?
Respond to this Question
Similar Questions

math, help
how do i write the equations so i can solve it i will do the solving but help me out with the equation please.for the following: Four pencils and five pens cost$2.00. THree pencils and four pens cost $1.58. Find the cost fo a pencil … 
Math
$ 45= 3 books 3 Pens $ 177= 11 Books 12 Pens Cost of b= P= 
Math
Jane wishes to buy books for her children. At one shop a book costs sh.400 it is sold with 2 pens costing sh.10 each and another shop sells a book at sh.200 with a pen costing sh.40 each. She is prepared to spend not more than sh.3200 … 
math
write an expression to represent each total and then simplify it cost of 2 pens and 3 notebooks the note books costs 179 each nd the pens 289 each 
Quadratic Functions in Algebra
Suppose C(x)=x^2−6x+20 represents the costs, in hundreds, to produce x thousand pens. How many pens should be produced to minimize the cost? 
math
The cost of 4 dozens penceles, 3 dozens pens and 2 dozens eraser is Rs.16. The cost of 2 dozens penceles, 4 dozens pens and 6 dozens erase is Rs.90 wheras the cost of 6 dozens pencils, 2 dozone pens and 3 dozens eraser is Rs.70 find … 
maths
the total cost of 5 pens and 10 pens is 30 . of pen cost 3 more than the pencil . find the cost of each item 
Precalculas
The function C(x)=x2−4x+28 models the cost, in hundreds of dollars, to produce x thousand pens. Find the total cost to produce 36,000, 139,000, and 222,000 pens. (a) Cost to produce 36,000 pens is? 
Algebra I
Four pens cost $2 less than two markers. Three pens and nine markers cost $54. Find the cost of each. 
math
Three boxes, first box has 12 pens for $25, second box has 50 pens for X cost and the third one has 100 pens for $175 . the cost for pens decreases as increase the number of pens . what the cost for the second box?