Peter and James were usually given $58 altogether for their weekly pocket money. As James needed money for new books next week, he asked for $19 more. As a result, he would have 3/4 as much money as Peter. How much was Peter's pocket money?
j
p = 58 - j
j + 19 = 3/4 p = 3/4 (58-j)
j + 19 = 43.5 - .75 j
1.75 j = 24.5
j = 14 then p = 58 - j = 44