Joe and Becky are buying fish for their new aquarium. The expression 3g + 4a represents the cost in dollars of buying fish where 'g' is the number of guppies purchased and 'a' is the number of angel fish purchased. Find the cost of fish if they buy 12 guppies and 4 angel fish. Explain your work.

$52

Step-by-step explanation:

Find the cost by plugging in 12 as g and 4 as a into the expression:

3g + 4a

3(12) + 4(4)

36 + 16

= 52

So, the cost will be $52

(c, 0) i might be wrong so don't put full faith on my answer

if you explain the the question more correctly i might be able to answer this better

step-by-step explanation: