The digit in the ones place is one. the digits in the tens place is double the ones. the debit in the hundreds place is double the tens. the deigns in the thousands place is eight. what are the numbers

Mr. thompson took five of his children to the bowling alley the cost for children 12 and older is 350 the cost of four children under 12 inch to 25 he spent a total of 1625 how many of his children are 12 and order