10 points
you own a hairdressing salon that provides haircuts,
styling, and other services to customers. your manicurist
has reported that it takes 5 hours to do 4 full manicures
and 2.5 hours to do 5 full pedicures. how long should it
take your manicurist to do 20 full manicures and 25 full
pedicures?
your answer

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.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left