right!

simplist method.

5 times 51 is 255

875-255 is 620.

do the rest. iz easy.

right?

so easy

63-19 is 54

54 divided by 2 is 27

27+19 is 46.

wait.what.46+27 is 73.@!##%^^$$!

4.17.this web is a calculator!

1785 minus 455 is 2 units which is 1330

1330 divided by 2 is 665 which is 3 units.

665 multiplied by 3 is 1995 which is how much harry had at first.

check:665 minus 455 is 210

1995 minus 1785 is 210

correct