ZX is one side out of the triangle
X will be represent on how many miles Andrea drove.
Total after renting the truck- cost to rent a truck.
$104- $50
= $54
How many miles Andrea drove=
$54 / 3
=$18
the equation=
$50 + (3x) = $104
3x = $104-$50
x = $54/3
x = $18
20% equals 4
80% divided by 20% is 4
4x4=16
he has 16 laps left
Brita have 323 in her account before the withdrawal