If I buy 2 apples and 6 oranges, I will spend $5.60. However, if I buy 6 apples and 2 oranges, I will spend $4.80. How much does one orange cost? Write the answer like this example: 48cents.

Question

If I buy 2 apples and 6 oranges, I will spend $5.60.  However, if I buy 6 apples and 2 oranges, I will spend $4.80.  How much does one orange cost?   Write the answer like this example:  48cents.

anonymous · Answer

2a+6o=5.6
6a+2o=4.8

SOLVE FOR a and o

anonymous · Answer

2a+6o=5.6 6a+2o=4.8 SOLVE FOR a and o

anonymous · Answer

h

anonymous · Answer

huh ?

anonymous · Answer

can you solve a system of equations?

anonymous · Answer

No : (

anonymous · Answer

2a+6o=5.6    (1)
6a+2o=4.8    (2)

multiply equation (1) by -3

-6a-18o=-16.8
6a+2o=4.8

add the 2 equations:
-16o=-12
o=0.75$=75 cents