Using only Two of the numbers, write a multiplication expression that is greater than 2.
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Answer:
Step-by-step explanation:
Let the unknown number be shown as
n
.
2
3
of the number is then
=
2
3
n
Three less than
2
3
n
is
=
2
3
n
−
3
All of this is equal to
3
, so
2
3
n
−
3
=
3
Multiply everything in the equation by three:
2
n
−
9
=
9
2
n
=
18
n
=
9
Check the answer in the new mathematical expression:
2
3
n
−
3
=
3
2
3
(
9
)
−
3
=
3
6 is the answer
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