A customer at a department store has $45.75. How many neckties can the customer buy if each necktie costs $15.35?
2 answers:
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Answer:
The correct answer is: -7, 7
Step-by-step explanation:
Given numbers are:
-7, 0, 7, 14
We have to check all pairs of numbers with respect to sum to check that which pair of numbers sums up to zero. So first of all, we will take -7 and will find its sum with other numbers.
So,
We can see that the sum of -7 and 7 is zero.
Hence,
The correct answer is: -7, 7