1. Pedro bought 6 shoes for $ 50 each and bought 2 media packs. If her total was $ 328, how much did each pack of socks cost her? Assume you were not taxed on the sale. 2. A person is given 30 boxes of 8 blocks, each block is 8 inches wide and 10 inches long. What is the area that the person can cover with these blocks? 3. Each PS5 comes in a box that measures 15 inches high, 8 inches wide and 8 inches long. To transport 120 PS5s in a wagon they are placed in 24 columns along each other with 5 PS5s facing up each. Determine what is the minimum volume that the wagon must have to transport the 120 PS5s. In addition, mention the measurements that the wagon should have. 4. Benito acquired a rectangular piece of land through an inheritance, if the piece of land is 15 cords wide and 20 cords long. What is the area of the land? What is its perimeter? 5. Mildred, Juan, Carlos, and Roberto started working in a bookstore the same day. Juan works every 8 days, Carlos works every 2 days, Roberto works every 20 days, and Mildred works every 13 days. When will everyone work together again? 6. Papo sells bottles of water in the light for $ 0.24 each to buy candy for $ 0.54 each. If he has no change left and I don't pay sales tax, how much candy did Papo have to sell? Solve 1. {a, b, c, d} U {{a}, b, c, e} 2. D = {0,9,8,1,10} calculate the number of elements of D and its number of subsets. 3. Write the following as a list {x / x is a natural number less than 1} 4. 28 - 3 | 9 + 3 | + 48 2 | 12 | 5. Identify the property a. 7 (3 +8) = 21 + 56 B. 3 + (7 + 4) = 3 + (4 + 7) C. 5 (7 .9) = (5.7) 9 D. 1.b = b 6. Find the DCM and MCM of the following numbers a. 25 and 30 B. 75 and 96 8. Determine 2 fractions equivalent to 8 24 9. Determine which fraction is greater. 15 93 16 O 100 10. Find a fraction equivalent to 6 with numerator 48. 11 11. Simplify to maximum expression 120 220 12. Change to mixed fraction 96 5 35 4