Every year ethan earns $38428each year he spends $ 21728 on exspenses how much she he have left over

$16,700

Step-by-step explanation:

Subtract: 38428

               -21728

                16700

You will need to add 10 to the hundred's place by subtracting 1 from the thousandth's place: 37,4(+10)28.  Then you subtract as usual.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it

just sum

10 + 10 = 20