Given
gas prices are now $3.75 and it up 10% from 6 months ago.
Find out how much were gas prices 6 months ago.
To proof
gas prices now = $3.75
let the gas price 6 month ago = x
gas price now is rise up 10% from 6 months ago
First write 10% in simpler form

= 0.1
Now the equation becomes
0.1x + x = 3.75
1.1x = 3.75

x = 3.41 (approx)
Thus gas prices 6 months ago be $ 3.41 (approx )
Hence proved
Answer:
She should have cross multiplied.
Step-by-step explanation:
-2.125, or 17/8, is the correct answer
X=2 or y=-1
these are the points that the graph avoids
Answer:
64
Step-by-step explanation:
(-2) ^6
This is -2 multiplied by itself 6 times
-2 * -2 *-2 * -2* -2 *-2
64
2.04 divided by 4 is £0.51 per roll
4.68 divided by 9 is £0.52 per roll
4 pack is better deal because the 9 pack is more per roll