Gary, the technology coordinator of a high school, is planning to

purchase one memory stick for each of the teachers. There are 86

teachers at the school. The English teachers requested memory sticks

that have a capacity of 32 gigabytes. Gary determines that $600 is the

maximum amount that can be spent for all of the memory sticks. Gary

finds the following prices for the purchases from Computer City.

Option

Memory Stick

Capacity

Cost Each

A

16 gigabyte

$5. 99

B

32 gigabyte

$9. 99

Free shipping for any order $35 or more.

1

If a represents the number of 16-gigabyte memory sticks

and b represents the number of 32-gigabyte memory sticks,

which equation represents the number of each kind of

memory stick that should be purchased for the teachers?

A a + b = 86

C 16a + 32b = 86

B a + b = 600

D 16a + 32b = 600