lena is going to rent a truck for one day. there are two companies she can choose from, and they have the following prices.
company a charges
$115
and allows unlimited mileage.
company b has an initial fee of
$55
and charges an additional
$0.80
for every mile driven.
for what mileages will company a charge less than company b?
use
m
for the number of miles driven, and solve your inequality for
m
.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?