Step-by-step explanation:
How are we supposed to help...?
180 of 72% is 129.6. 180*72= 12960. Since 72% = .72, you need to put the decimal 2 places behind the decimal.
You substitute the y from the second eqaution to the y in the first equation
Answer:
B
Step-by-step explanation:
3.2+4=7.2
6.6/2.2=3
3+7.2=10.2
10.2
