Dilating a triangle changes the size of the triangle but does not change its shape

In a school 2/3 of the students study a language of those who study a language 2/5 study french

If the measure of angle 1 is 110 degrees and the measure of angle 3 is (2 x+10 degree), what is the value of x?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28