SAT Math Practice Question #31135 - SATify | SATify
#31135
applications
functions
percentage
hard
90 sec
A certain type of battery loses 0.02% of its charge per minute when idle. Additionally, it loses 0.5% of its charge for every 10 minutes of active use. If C represents the total percentage of charge lost due to M minutes of active use, and C=kM, what is the value of k?
• Up to 5 characters (6 if negative). Only numbers, decimal (.), fraction (/), negative (-). • Fractions must be in lowest terms. • Mixed numbers must be converted to improper fractions.