500 and 100 because if you see the seven right, seven is the judge and so as the one. Make it 500 and the next number 100. So you'll have en estimate of 600. Ur welcome.
-18+4x
2(2x-9)
4x=18
-4x=-18
x=18/4
-x=-18/4
6 goes into 110 approximately 18 times.
Using PEDMAS, you would divide I/2 first, then add 2 to that and subtract I from the equation. It all varies on what "i" is, however.
1,500(1.02) means 1500×1.02