Answer:
see the explanation
Step-by-step explanation:
we know that
A gross is equal to 120 ones or ten dozen
what is 15 tens - 1 gross
we know that
15 tens means ----> That you are adding 10, 15 times or multiplying 10 by 15, which gives you
[tex]10(15)=150[/tex]
1 gross means ---> That you are adding 10, 12 times or multiplying 10 by 12
which gives you
[tex]10(12)=120[/tex]
so
The algebraic expression of 15 tens - 1 gross is equal to
[tex]150-120=30[/tex]
Convert to word expression
3 tens