exam Maths Puzzle Numerical Ability

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?

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exam Other Question

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 the interest rate on an auto loan in may was 12 3/8%. by september the rate was up to 14 1/4%. how many percentage points did the rate increase over the period?

thank you for yo