5. Mark is an auto dealer. He sold a car and made a loss of 10%. If his loss was $150
000, calculate:
a) Calculate how much he sold the car for.
b) What was his cost price?.

6. An item is sold for $500 000. The salesman made a loss of 5%. Calculate how much
the item cost.​

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 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 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.