X=12 is the answer, i have done this question before, hope i helped.
Answer:
$6.10
Step-by-step explanation:
Given the fabric store sells the fabric for $6.97 per yard
Given that a customer buys 7/8 yard of fabric.
Let the cost the customer pays be x then


on cross multiplication we get

x=6.01
Therefore the amount the customer should pay is $6.01
3y^-4/3 x 2 3/y
Write in exponential form with the base of y
= 3y^-4/3 x 2y^1/3
Calculate the product
= 6y^-1
Any expression raised to the power of equals its reciprocal
= 6 x 1/y
Calculate the product
= 6/y

these words are too meet the 20 character minimum