Sam Ana Maria were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Sam bought 4 notebooks and 1 thumb drive for $32. Maria bought 3 notebooks and 2 thumb drives for $39. Find the cost of each notebook and thumb drive.

the cost of each notebook and thumb drive is $5 and $12 respectively .

Step-by-step explanation:

Here we have , Sam Ana Maria were shopping for school supplies. Each purchased different quantities of the same notebook and thumb drive. Sam bought 4 notebooks and 1 thumb drive for $32. Maria bought 3 notebooks and 2 thumb drives for $39. We need to find the  cost of each notebook and thumb drive. Let's find out:

Let the cost of each notebook and thumb drive be x & y respectively , So

Sam bought 4 notebooks and 1 thumb drive for $32.

With info following is equation below:

⇒   ....... (1)

Maria bought 3 notebooks and 2 thumb drives for $39

With info following is equation below:

⇒ ............ (2)

Multiplying equation (1) by 2 and Than subtracting (1) by (2):

⇒

⇒

⇒

⇒

Putting in we get:

⇒

⇒

⇒

Therefore , the cost of each notebook and thumb drive is $5 and $12 respectively .