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TEA [102]
3 years ago
12

When subtracting 9.3 from a certain number, the result is 68.91, as seen below. What number should go in the box to complete the

subtraction problem
7 .21
- 9.3
68.91
Geography
2 answers:
Firdavs [7]3 years ago
5 0

Answer:

7.21

Explanation:

34kurt3 years ago
4 0
To answer this item, we let x be the number that is not unknown in this item such that the situation in this problem can be expressed as follows,

    x - 9.3 = 68.91

Adding 9.3 to both sides of the equation,
   x - 9.3 + 9.3 = 68.91 + 9.3

Simplifying,
   x = 78.21

The answer to this item is 78.21, this I think is the first choice except that it is mistakenly written as 7.21 only.
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