The diaper service where you work bills customers once a week. Each week, the diaper service charges 30C each for the first 75 diapers used and 25C each for any additional diapers. How much should you bill a family that used 100 diapers last week? A $18.75 B $22.50 C $25.00 D $28.75 E $30.00
Question
Answer:
$$30c\times 75+25c\times 25=2875c$$
To convert to dollar, the result will be divided to 100.
$$\frac{2875}{100}=28.75$$
solved
general
11 months ago
1419