Problema Solution
On average, a baby uses three times the number of large diapers as small diapers and double the number of medium diapers as small diapers. If the average baby uses 2,940 diapers, size large and small, how many of each size would be used? Support your answer with equations.
Answer provided by our tutors
Let
x = the number of small diapers
3x = the number of large diapers
2x = the number of medium diapers
x + 3x + 2x = 2940
........
click here to see the equation solved for x
........
x = 490 small diapers
There will be 490 small, 3*490 = 1470 large and 2*490 = 980 medium diapers used.