Crystal earns $5.50 per hour mowing lawns.
a. choose the rule that describes how the amount of money m earned is a function
of the number of hours h spent mowing lawns.
b. how much does crystal earn if she works 3 hours and 45 minutes?

(-1,-0.5)

step-by-step explanation:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)