The original price p for a necklace is the same at both jewelry stores. at store a, the sale price is 60% of the original price. last month, at store b, the sale rice was $40 less than the original price. this month, store b is selling the necklace for 80% of last months reduced price. the current sale prices are the same for both stores. write and solve an equation to find the original price of the necklace.

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test