The scale drawing of an elephant shows a height of 2 cm. The scale for the drawing is 1 cm : 5 ft. This means that for every 1 cm on the drawing, there are 5 ft on the real elephant. What is the height of the actual elephant?

Can someone explain the elimination method to me for this problem?

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

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.