Tom spent 1/5 of his money and 1/4 of the remainder on a magazine. He had $25.80 left. How much was the magazine?

A $5.10
B $6.45
C $8.60
D $7.80

1 answer

he spent 1/4 of the remainder on the magazine
25.80 was 3/4 of the remainder
So, the magazine was 1/3 of 25.80 = 8.60