Answer:
whats the question
Step-by-step explanation:
will be edited when answered
Answer:
d
Step-by-step explanation:
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

1 gross means ---> That you are adding 10, 12 times or multiplying 10 by 12
which gives you

so
The algebraic expression of 15 tens - 1 gross is equal to

Convert to word expression
3 tens
318-47= 271 There are 271 non-fiction books in the library. just subtract 47 from 318 to get the answer.
It would be: 39/40 * 100 = 3900/40 = 97.5%