Jacob puts all his pennies and nickels in his piggy bank. e has saved up a total of 474 couns. altogether, there is a total of $11.22 in his bank. how many pennies and how many nickels does he have in his piggy bank?

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.