What is the total utilization of a circuit-switched network, accommodating five users with equal bandwidth share, and the following properties:

• Three users each using 79% of their bandwidth share
• Two users each using 17% of their bandwidth share

Give answer in percent, with one decimal place (normal rounding) and no percentage sign (e.g. for 49.15% you would enter "49.2" without the quotes).

How do you get 54.2?