exam
Maths Puzzle
Numerical Ability
The identity element for the operation of subtraction is:
a. 1
b. 0
c. there is no identify element for the subtraction operation
d. depends on which numb
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exam Other Question
Subtract. Simplify, if possible.
9/b-4 - 9/4-b
Kim has $210 in $5 bills and $20 bills. She has a total of 24 bills. How many $5 bills and how many $20 bills does she have?
Please show me the step by step solution. Thanks!