Answer:a) 322 MILES B) 34.391 ( The price per gallon was not given in units ) but if price of I gallon = lets say $2.89, then for 11.5 Gallons will be $34.391
Step-by-step explanation:
a)
M r Jones car needs 28 miles for 1 gallon = 28 MILES= 1 Gallon
Number of miles he can drive withe 11.5 gallons
1 Gallon = 28 miles
11.5 gallons = 11.5 x 28miles = 322 miles
b) IF 1 gallon costs 2.89
11.5 gallons will cost= 11.5 x 2.89= 34.391
Answer:
3x
Step-by-step explanation:
X=11
-5(x+1) = -3(2x-2)
distribute
-5x-5= -6x+6
both +6x
x-5=6
plus 5 on both
x=11
Answer:
9x^2 -2x+8
Step-by-step explanation:
( 9x^2 -5x) - ( -3x -8)
Distribute the minus sign
( 9x^2 -5x) +3x +8
Combine like terms
9x^2 -2x+8
The x^2 should be positive and you have it as negative