In a class of 62 students the number of females is one less than twice the number of males. How many males and females are in the room?
1 Answer
Nov 27, 2016
21 males, 41 females
Explanation:
Let
Let
Create 2 equations, with 2 variables:
1st equation:
2nd equation:
Substitute 2nd equation into 1st equation:
Solve for m:
Substitute