A student can eat 4.0 m& ms every 1.00 seconds. If an m& m has a mass of 64mg, determine how many kilograms of m& ms can be eaten by a class of 29 stdunets in 3.75 hours

The answer is obtained as a product of ratios:

4.0 m&m / (1.00 s * student) * 64mg / m&m * 29 student / class * 3.75 h * 3600 s/h * 1kg / 1000000 mg =

= (4.0*64*29*3.75*3600 / 1000000) kg / class = 100.2 kg / class

Answer: 100.2 kg