This is how I'd set it up:
405/20 = 243/x
this means the mpg (miles / gallons) for 1 situation is the same as the mpg for the other situation (because the rate is the same)
then just cross multiply and solve:
405x=243*20 or 405x=4860 or x = 12
he would need 12 gallons of gas for 243 miles
Answer:
6
- 19x + 15
Step-by-step explanation:
(2x - 3) (3x - 5)
2x(3x-5) - 3 (3x-5)
6
- 10x - 3 (3x - 5)
6
- 10x - 9x + 15
6
- 19x + 15
Answer:
TRUE!!!!!!!!!!!!!!!!!! BRANLIST
Step-by-step explanation:

The equivalent expression is ~

Let's evaluate f(b - 2) ~
Answer:
the answer is number 4......