A shop sells one-pound bags of peanuts for $2 and three-pound bags of peanuts for $5. If 9 bags are purchased for a total cost of $36, how many three-pound bags were purchased?

A. 18
B. 3
C. 9
D.6

Respuesta :

Answer:

D. 6

Step-by-step explanation:

One-pound bags sell for $2

Three-pound bags sell for $5

9 bags were sold for $36

6*$5=$30 (three pound bags)

3*$2=$6 (one pound bags)

$30+$6=$36

So 6  of the three-pound bags were sold