A quarter past two means 2:15. So if it took her 25 minutes to get there, the latest she could leave would be 1:50.
The equivalent expression is 4x + 20
I believe it is 8x.
Use the formula A=1/2(b*h)
A=1/2(4x(5x-1))
A=1/2(20x-4x)
A=1/2(16x)
A=8x
6.5 liters per 100 km travelled. 30% of 5 is 1.5, so adding this to the original amount results in 6.5
I don't know if i'm right or what because I haven't learned binomial in like almost 4 years. (3x+y)?