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Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

What is the lcm of 16 and 40 ? 24 and 40 ?

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18