25 máquinas Oierlock prodicen cierta cantidad de poleras en 120 horas. ¿Cánaas horas demoran 60 máquinas iguales en producir la misma cantidad de poleras? (A) 288 (B) 144 (C) 50 (D) 9

Round \( 5.34 \) to the nearest tenth.

Evaluate the absolute value of \( -8 \).

The distance between two towns is 90 km . A bus driver averages \( 30 \mathrm{~km} / \mathrm{h} \) in heavy traffic in one direction and \( 45 \mathrm{~km} / \mathrm{h} \) on the return trip. Calculate the total time taken and the average speed for the total journey. 5 hours, \( 36 \mathrm{~km} / \mathrm{h} \)

You need to pack some cookies. \( 54 \% \) of the cookies are chocolate. You need tc pack a total of 350 cookies. How many of them are chocolate?

Round 54 to the nearest ten.