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-BARSIC- [3]
2 years ago
10

Fifteen is six more than a number.

Mathematics
1 answer:
snow_tiger [21]2 years ago
6 0

Answer:

idrk what you're asking here but I tried to solve it. fifteen is six more than a number=9

2/5 of a number is 20= 50(?)

thirty is seven less than twice a number= 74

Step-by-step explanation:

for the first one I subtracted 6 from 15 and got 9.

for the second one I was a little confused but I thought that because 2/5 was 20 than 1/5 would be 10. so I just counted 10,20,30,40,50. then I put 50/5 and simplified it to get 10/1 (further simplified as 10).

for the third one I wrote out the problem:

x2

-7

____

30

and I did everything back wards.

30+7= 37

37×2=74

I hope this helps, it was a bit confusing

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Step-by-step explanation:

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