x - 0.5% = 500x - .005 = 500x - .005 + .005 = 500 + .005x = 500.005Check:x = 500.005500.005 - 0.5% = 500500.005 - .005 = 500500 = 500So x - 0.5% = 500 when x is .005.
800
7 x what equals 500 = 3500
1 x 500 2 x 250 4 x 125 5 x 100 10 x 50 20 x 25
5X^2 = 500 divide both sides by 5 X^2 = 100 take square root both sides X = (+/-) 10 check 5[(+/-) 10]^2 = 500 +/- 10^2 = 100 500 = 500 checks
x - 0.5% = 500x - .005 = 500x - .005 + .005 = 500 + .005x = 500.005Check:x = 500.005500.005 - 0.5% = 500500.005 - .005 = 500500 = 500So x - 0.5% = 500 when x is .005.
500 - 5x = 100 500 = 100 + 5x 400 = 5x x = 80 Check it. -400 + 500 = 100 It checks.
(5c) x (100) = 500c
800
32.5 x 100/6.5 = 500 So, 6.5% of 500 equals to 32.5
7 x what equals 500 = 3500
Simply add 2 zeros to the end of 500. So 500x100=50,000.
1 x 500 2 x 250 4 x 125 5 x 100 10 x 50 20 x 25
5X^2 = 500 divide both sides by 5 X^2 = 100 take square root both sides X = (+/-) 10 check 5[(+/-) 10]^2 = 500 +/- 10^2 = 100 500 = 500 checks
252 + x = 500 x = 500 - 252 x = 248
(x/100) * 500 = 35 x/100 = 35/500 x = (100*35)/500 x = 1*35/5 x = 7 7%
1 x 100 = 1002 x 100 = 2003 x 100 = 3004 x 100 = 4005 x 100 = 500