Directions: Find the selling price and/or sale price of the following items. Note: No need to put the unitShow your solution.$32 earrings marked up 80%

Amazon is having a sale where items are sold for 24% less than the original price. If Janet bought a new necklace for a sale price of 51$, what was the original price of the necklace?(Round your answer to the nearest cent.)

Levi spent 30 pesos to make 15 earrings. He sells 10 for 3 pesos, and 5 for 4 pesos. Write a numerical expression of his profit. *(10 x 3) + (5 x 4) - 30(10 x 3) + (5 x 4) - 1510 x (3 + 5) x 4 - (15 x 30)10 x (3 + 5) x 4 - (30 - 15)

Abigail went shopping for a Mother's Day present. At a jewellery store, she bought a beaded necklace for $207.50 and a matching bracelet for $949.55. How much did this jewellery cost?

The discount on a new stereo was $150$⁢150. This was a discount of 22%22%.Step 1 of 3 :  What was the original selling price of the stereo? Follow the problem-solving process and round your answer to the nearest cent, if necessary.

Jean has $20 and is going shopping to buy 3 scarves and as many pairs of earrings as possible.  How many pairs of earrings can she buy if scarves cost $2.55 each and earrings cost $2.99 a pair?