I have a math problem and it looks like this how would i answer it 600, 610, 619, 627, 634, blank, 645

the blank would be 640

Step-by-step explanation:

I'm just going to assume this is a question where you have to complete the pattern

Every time a new number is added, the number is one less then the one before.

I know that makes 0 sense so here:

610+9=619

619+8=627

627+7=634

634+6=640

640+5=645

So 640 would be the only one that makes sense

I hope I was correct and I helped you out!

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.