4 oranges and 6 grapefruit cost $2.62. 7 oranges and 5 grapefruit sell for $2.66. What is the cost of 1 grapefruit, and 1 orange?
2 answers
help me guys
4O + 6G = 2.62
7O + 5G = 2.66
Multiply first equation by 5 and second by 6.
20O + 30G = 13.10
42O + 30G = 15.96
Subtract first equation from second.
22O = 2.86
O = .13
Take it from there.
7O + 5G = 2.66
Multiply first equation by 5 and second by 6.
20O + 30G = 13.10
42O + 30G = 15.96
Subtract first equation from second.
22O = 2.86
O = .13
Take it from there.