Isabel's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Isabel
$4.10
per pound, and type B coffee costs
$5.40
per pound. This month, Isabel made
145
pounds of the blend, for a total cost of
$703.70
. How many pounds of type B coffee did she use?

Question

Isabel's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Isabel 
$4.10
 per pound, and type B coffee costs 
$5.40
 per pound. This month, Isabel made 
145
 pounds of the blend, for a total cost of 
$703.70
 . How many pounds of type B coffee did she use?

gorv · Answer

total mixture
A+B=145 pound
total cost 
4.10*A+5.40*B=703.70
solve these 2