She forgot the 0 in the middle, which is why she got 192. The correct answer is 1812
21x-9+63=180
21x+54=180
21x=126
x=6
Answer:
you cant round that to 30
Step-by-step explanation
29.20
29.2 2 is less than 5
so you cant round you can only round if the .tens place is 5 or more
Answer:
11x + 14
Step-by-step explanation:
Answer:
=144*8/2.5
=1152/2.5
=460.8
Step-by-step explanation:
there you go