Just go through it phrase by phrase by phrase - one step at a time.
2*( )
2*(x - 7)
2876 Rounds To 3000
513 Rounds To 500
18 Rounds To 20
Then multiply:
3000x500x20= 30,000,000
Hope i helped :)
The answer for 4 is 12..
hope it helps u..
have a great day ahead! :)
It has to be greater than the difference between the two sides, so 97-14=83