When Ron cycles, his maximum speed is 20 km/h when ron runs, his maximum is 7 m/s .

which is greater. When he is running or cycling?

AND

Ron wants to buy 30 tubes of crips

shop A sells

3.99 a tube
buy 2 get 1 free

shop 2

3.99 a tube
20% off

which shop will he pay the least amount of money?

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