xA*4.05 + xB*5.15 = 811.1
--------------------------
xB = 178 - xA
--------------------------
xA*4.05 + (178 - xA)*5.15 = 811.1
--------------------------
bla bla bla
--------------------------
xA = 96
xB = 82
Topic: Math formula or just some help (Read 697 times)
xA + xB = 178
xA*4.05 + xB*5.15 = 811.1
--------------------------
xB = 178 - xA
--------------------------
xA*4.05 + (178 - xA)*5.15 = 811.1
--------------------------
bla bla bla
--------------------------
xA = 96
xB = 82
xA*4.05 + xB*5.15 = 811.1
--------------------------
xB = 178 - xA
--------------------------
xA*4.05 + (178 - xA)*5.15 = 811.1
--------------------------
bla bla bla
--------------------------
xA = 96
xB = 82
Never mind got it down
I need a formula for this problem or just some help
Jina's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Jina $4.05 per pound, and type B coffee costs $5.15 per pound. This month, Jina made 178 pounds of the blend, for a total cost of $811.10 . How many pounds of type B coffee did she use?
Jina's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Jina $4.05 per pound, and type B coffee costs $5.15 per pound. This month, Jina made 178 pounds of the blend, for a total cost of $811.10 . How many pounds of type B coffee did she use?
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