The purpose of the following flow-chart is to add the numbers in boxes 7,8,9, and 10 and put the total into box 2 . In order to accomplish exactly this - no more and no less - what number must be in box 5 ? Box No. Subtract: (number in box 2) - (number in box 2), put result into box 2 . Add: (number in box 2) + (number in box 10), put result into box 2 . Is (number in box 5 ) greater than the second box-number mentioned in Instruction 2 ? Change Instruction 2: Decrease the second box-number mentioned in it, by 1. What number must be in box 5 ? Problem 4 The purpose of the following flow-chart is to put a zero in each of the boxes: 5,7 , and 9 . In order to accomplish exactly this - no more and no less - what number must be in box 3? Box No.
