According to automobile association of a country, on March 27, 2009, the national average price per gallon of regular unleaded (86-octane) gasoline was $2.02, and the price of premium unleaded (91-octane) gasoline was $2.26.The cost of the blend of mid-grade unleaded gasoline (90-octane).Select a graph of the region determined by the constraints.
Constraints:

X ≥ 0
Y ≥ 0
X + y = 1
86x + 91y = 90

B)

Question

According to automobile association of a country, on March 27, 2009, the national average price per gallon of regular unleaded (86-octane) gasoline was $2.02, and the price of premium unleaded (91-octane) gasoline was $2.26.The cost of the blend of mid-grade unleaded gasoline (90-octane).Select a graph of the region determined by the constraints. ​
Constraints:
​
X ≥ 0
Y ≥ 0
X + y = 1
86x + 91y = 90
​
B)​

Quizplus · Accepted Answer

The Answer of According to automobile association of a country, on March 27, 2009, the national average price per gallon of regular unleaded (86-octane) gasoline was $2.02, and the price of premium unleaded (91-octane) gasoline was $2.26.The cost of the blend of mid-grade unleaded gasoline (90-octane).Select a graph of the region determined by the constraints. ​
Constraints:
​
X ≥ 0
Y ≥ 0
X + y = 1
86x + 91y = 90
​
B)​

According to Automobile Association of a Country, on March 27