Problema Solution
originally:
new price: $3.80
15% decrease
Answer provided by our tutors
New price = Original price - 15% of original price
or,
3.80 = x - 0.15 x
3.80 = x(1-0.15)
3.80 = x(0.85)
or,
x = 3.80/0.85
x = $4.47
Therefore Original price = $ 4.47