O0Yd Answer: min 55 S One afternoon, 6 friends rented 4 computers from 2.00 p.m. to 4.30 p.m. and took turns to play games on them. At any time, 4 of them played on the computers while the other 2 friends watched. If each of them had the same amount of playing time, how many minutes did each person play on the computer? 30 min) 2.00p m. 400pm. 4.30p.m. A, B, C,D E,F mi Answer :

Engine pistons and cylinder heads are made of an aluminum casting alloy that contains 4% silicon, 1.5% magnesium, and 2% nickel. Round the answers to the nearest tenth kilogram. a. How many kilograms of silicon are needed to produce 575 kilograms of alloy? b. How many kilograms of magnesium are needed to produce 575 kilograms of alloy? c. How many kilograms of nickel are needed to produce 575 kilograms of alloy?

How much stock per stroke is removed by the wheel of a surface grinder if a depth of 4.725 millimeters is reached after 75 strokes? Round the answer to 3 decimal places.

Write the repeating decimal 0.4 as a fraction.