Question 9 How many milliliters of water should be evaporated from a
10 milliliters mixture that is 50% salt in order to be left
with one that is 80% salt?

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1