Aaron has $480 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax.
• He buys a newlbicycle for $427.79.
• He buys 2 bicycle reflectors for $10.31 each and a pair of bike gloves for $29.94.
• He plans to spend some or all of the money he has left to buy new biking outfits
for $47.45 each
Which inequality can be used to determine o, the maximum number of outfits Aaron
can purchase while staying within his budget?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.