7x-4=2
add 4 to both sides
7x=2+4
7x=6
divide 7 to both sides
x=6/7
You do 390/100 = 180/x then 390×X=390X
180×100=18000
390X=18000
390X÷390=X
18000÷390=46.15384615=46%
It would be 3.909769126x10^10 hope this helps and all you have to is convert to standard form if you want me to do that ill do it its no problem
Answer:
the answer is d.
Step-by-step explanation: