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Sagot :
Answer:
5 + 10 + 15 = 30
Step-by-step explanation:
You want a sum of three multiples of 5 that does not end in 5.
Multiples of 5
Any odd multiple of 5 will end in 5. An even multiple will not.
In order for the sum to not end in 5, the total of the multipliers must be even:
1×5 +2×5 +3×5 = 6×5 = 30
5 +10 +15 = 30 . . . . . . three multiples of 5 whose sum does not end in 5
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