Answer:
A
12+7x=a
x=days
a=amount of money
B 12+7x=a
Step-by-step explanation:
7(18)=126
12+126=a
138=a
He could be 40321 years old.
If you divide 40321 by any odd or even number between 1 and 9, the remainder is 1.
I got this number by doing (2*3*4*5*6*7*8) + 1
You didn't write what to do with the fraction but I think you meant to ask to simplify it:
38b/-19
Multiply - 19 from top and bottom :
-2b
(28 : 100) *6 = 1.68 (tax)
28 + 1.68 = 29.68 (total cost)
