Problema Solution
At a film festival, Film A is 4 times as long as Film B. Together, the films are 160 min long. How long is each film?
Answer provided by our tutors
Let
a = the length of Film A
b = the length of Film B
a = 4b
a + b = 160
........
click here to see the system of equations solved for a and b
........
a = 128 min
b = 32 min
Film A is 128 minutes long.
Film B is 32 minute long.