Math Flashcards
1
Q
Checking DEA Validity
A
Example: AB5732943 1. Add even set of numbers. 5+3+9= 17 2. Add odd set of numbers. 7+2+4= 13 3. Multiply the odd sum by 2 13x2= 26 4. Add even sum 26+17= 43 5. The last number should match.
2
Q
F° to C°
A
Subtract 32
Multiply by 5
Divide by 9
F Southers 5million 9dinings
3
Q
C° to F°
A
Multiply by 9
Divide by 5
Add 32
9men 5die 32 have add