700000
When dividing by 100, move the decimal point 2 places to the left giving you 700,000.
4.2857
70000000 + 7000000 + 70000 + 9000 + 100 + 1
70000000 + 7000000 + 70000 + 9000 + 100 + 1
70000000 = 7x107
solve it with a calculater
4.3571
14.2857
525.632
4.2857
70000000 + 7000000 + 70000 + 9000 + 100 + 1
70000000 + 7000000 + 70000 + 9000 + 100 + 1
70000000 = 7x107
70000000
cross multiply to solve: 100 x 4200 = 87 Y solve for Y by doing 420,000 divided by 87, which equals 4828 (rounded off)
1/5 divided by 42/100 is mathematically identical to 1/5 x 100/42 ie 100/210 or 10/21. Decimal 0.2/0.42 = 0.4762 which is the equivalent of 10/21
solve it with a calculater
Set up your equation 28/x = 112/100 (that's 28 divided by x = 112 divided by 100). Then you can cross-multiply (giving you 2800 = 112x) and solve for x (which in this case is 25).