6 Two bells ring at intervals of \( 31 / 2 \) minutes and seconds and 60 seconds respectively. If they all rung together at \( 8: 40 \), what time will they ring together next? a) \( 8: 45 \) b) \( 9: 40 \) c) \( 8: 47 \) d) \( 8: 50 \)

Un ragazzo riesce a montare un computer in 6 ore, mentre un suo amico ne impiega 3 . In quanto tempo riescono ad assemblare 5 compu- er, lavorando insieme?

Write the decimal expansion for \( \frac{5}{9} \)

How many minutes does it take for a woman to walk 1200 feet if she walks at the rate of 4 feet per second?

- Ratios Troy and David were selling water bottles to raise money for new football uniforms. Troy sold 9 water bottles for every 5 water bottles David sold. Togethe they sold 280 water bottles. a) Draw a bar model to represent the situation.

Vereenvoudig die breuk \( \frac{1176}{504} \) deur priemfaktore te gebruik.