Answer:
Hi how are you doing today Jasmine
Since y is less than x by 7 times

so in terms of x we write
x=7y
You have to multiply the original price by 1/3 and then multiplying it by 2:
y=1/3x(2)
y=1/3(28.5)(2)
y=9.50(2)
y=19
$19.5
This is 2/3 of the original price (1/3 off).
Hope I helped...