200 soldiers stand in a straight row. Beginning from the left, the soldiers call out: 1, 2, 3, 4, 5, 1, 2, 3, 4, 5,
1, 2, 3, 4, 5,
Following that, the soldiers call out from the right: 1, 2, 3, 4, 1, 2,
3, 4, 1, 2, 3, 4,
How many soldiers call out the same number?

What properties allow transformation to be used as a problem solving tool

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

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.