Answer: the prices of the gifts are $6.4 and $19.2
Explanation:
Let x represent the price of the cheaper gift.
Let y represent the price of the costlier gift.
The price of one gift was 3 times the cost of the other. It means that the price of the costlier gift is expressed as
y = 3x
If both gifts cost $25.60 altogether, it means that
x + y = 25.60- - - - - - - -- - -1
Substituting y = 3x into equation 1, it becomes
x + 3x = 25.6
4x = 25.6
x = 25.6/4
x = $6.4
y = 3x = 3 × 6.4
y = $19.2