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the answer is 21 3 x 7 = 21
7 multiplied by 3 equals 21. Multiplication is a mathematical operation that combines groups of equal numbers to find a total quantity. In this case, you are taking 7 groups of 3 and finding the total quantity, which is 21. The multiplication symbol "x" is used to represent this operation.
To find out how many groups of 7 equals 21, you can divide 21 by 7. The result is 3, which means there are 3 groups of 7 in 21. This is because when you multiply 7 by 3, you get 21. So, there are 3 groups of 7 that equal 21.
7
21/7 = 3