Finding numbers divisible by 2 and 5 between two specific numbers

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.

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

What is the value of x in the this question ?