Buttons are sold in packets and in boxes.
there are 6 buttons in a packet.
there are 15 buttons in a box.
nomusa buys packets of buttons and boxes of buttons.
she buys a total of buttons.
write a formula for in terms of and .

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.

What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove