Answer:
$12.50
Step-by-step explanation:
1) Mutliply 6 with 2
6*2= 12
2) multiply 1/4 with 2
1/4 * 2 =1/2
3) add 12 and 1/2
12+1/2 = 12.50
n(A)= 10
Hope it is ..mark me as brilliant
a) 12 ( I'm pretty sure)