I think of a number, then divide by 5, then subtract 78 -the result is nine
1 answer:
Answer:
Imagine that the number that we are looking for is x
We know that:
x/5 - 78 = 9
x/5 = 9 + 78
x/5 = 87
x = 87 . 5 = 435
So the number we need is 435
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Number 15 is 80 i dont know about the others...sorry
