EXERCISE 41–2Numbers
Example:

After subtracting her expenses for lemons and sugar, Serena tallied a profit of six dollars and forty cents from her lemonade stand.

After subtracting her expenses for lemons and sugar, Serena tallied a profit of $6.40 from her lemonade stand.

Exact amounts of money should be expressed as numerals.

For more help, see section 41b.