The expression that simplifies to 100 by arranging digits from 1 to 7 is 
The given digits include;
1, 2, 3, 4, 5, 6, 7
<em>To form an expression that simplifies to 100:</em>
This expression is formed as follows;

The above expression can be simplified to 100 as follows;

Thus, the expression that simplifies to 100 by arranging digits from 1 to 7 is 
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She types in 450 words in 5 minutes
180/2=90
90*5=450
Answer:
There are about 5,357 bees in the hive
Step-by-step explanation:
Let
x -----> the number of bees that leave the hive in one minute
y -----> the approximate number of bees in a hive
we know that
The formula to calculate the approximate number of bees in a hive is equal to

For x=25
substitute


therefore
There are about 5,357 bees in the hive
Company A pays $5500 more than B in year 10