One month. Gretal spent a total of $360 on presents. She spent 1/5 of this total on presents for her parents.
She spent 2/3 of the remaining money on presents for her friends.
She spent the rest of the money on presents for her sisters.
Calculate the percentage of the $360 that she spent on presents for her sisters​

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

41/2 - 1 1/3 what is the answer as a fraction?

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?