The sum of all digits in the numbers 11, 12, and 13 is 9 because
(1 +
1) + (1 + 2) + (1 + 3) = 9. Find the sum of all the digits in the natural numbers
10 through 20.
The sum is equal to .
The perimeter of the outer sides of the figure above equals 40 units. What is the
length in units of any one side of any square?
units.
The product of two numbers is 36. Their sum equals 13. What is the smallest
number?
is the smallest number.
Suppose that today is Monday. Today's date is August 29th. What would the
date and day be 10 days from now?
Day:
Date: September th.
One day Karol bought 3 apples for 75¢. She sold all 3 apples for $1.50.
How much did Karol make on each apple?
cents.
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