There are six ways that Jayme can make $1.50 using dollars, half dollars, and quarters.
1) 1 dollar and 1 half dollar = $1 + $0.50
2) 1 dollar and 2 quarters = $1 + 2($0.25)
3) 3 half dollars = 3 * $0.50
4) 2 half dollars and 2 quarters 2($0.50) + 2($0.25)
5) 1 half dollars and 4 quarters $0.50 + 4($0.25)
6) 6 quarters 6 * $0.25