Mandy works no more than 20 hours each week. Babysitting can earn $8 an hour and work as a house cleaner earns $10 per hour. She needs to earn at least $180 each
week to save for the computer she wants. Write and solve a system of linear inequalities
that displays all possible combinations of hours she could work at each job to reach her
goal.
I

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)

$97520

step-by-step explanation:

add 6% to the value she got from selling the house.