A bank that
has been charging a monthly service fee of $2 for checking accounts plus 15
cents for each check announces that it will change its monthly fee to $3 and
that each check will cost 8 cents. The
bank claims that the new plan will save the customers money. How many checks must a customer write per
month before the new plan is cheaper than the old plan?
A rectangle
has an area measuring 230 square centimeters.
Its length and width are whole numbers of centimeters.
a) What are the possible combinations of length
and width?
b) Which possibility gives the smallest
perimeter?
(Assume
length is the longer dimension)
Given the six numbers 3, 5, 7, 9, 11, and 13, pick five of
them that when multiplied together give 19,305.