Find value of x (triangle)

please help, im in a test !

The correct answer is 13

This is because a triangle has 180 degrees (for the interior). and since angle C and angle B are 60 degrees each, then angle A must also be 60 degrees. This confirms triangle ABC to be equilateral. And in equilateral triangles, the angles and sides are all the same, so line CB is the same as line AC, making them both 13

answer:   expression= p+p*d%

price reduction + sale price = $625

sale price: $p+$p*d%

where d% is the percentage of discount

step-by-step explanation:

original price = p

price went down by $150 price reduction $p*d%

sale price= $ 475

therefore the price before sale is: $625

and the expression that shows the price before sale is: p+p*d%