Cost of magazine last year: x
Equation:
Method A:
1 ¹/₄ (x) = 125
1.25x = 125
1.25x/1.25 = 125/1.25
x = 100
Method B:
Convert mixed fraction to improper fraction.
⁵/₄(x) = 125
⁴/₅ [⁵/₄(x) = 125 ] ⁴/₅
x = (25)(4)
x = 100
ANSWER: The cost of the magazine last year was Php 100.
