Mathematics, 13.01.2020 03:31 CheddaDsk

Maria is solving this number riddle by using guess and check: fifteen less than a number is twelve.
based on the riddle, which statements must be true? check all that apply.
less than means subtraction.
subtract 15 from the unknown number to get 12.
15-12 - 3
the unknown number is 27.
15+ 3 = 18
27-12-15
this is an addition problem.

Answers: 3

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Maria is solving this number riddle by using guess and check: fifteen less than a number is twelve....