If you would like to know what percent of the cost of a new bicycle has Artie saved, you can calculate this using the following steps:
x% of $450 is $300
x% * 450 = 300
x/100 * 450 = 300 /*100/450
x = 300 * 100 / 450
x = 66.67%
The correct result would be 66.67%.
If you would like to know what should Claire's proportion look like, you can calculate this using the following steps:
x/100 * 450 = 300 /*100
x * 450 = 300 * 100
The correct result would be A) 300 * 100 = x * 450.