400 passengers go on a coach trip.
Each coach takes 50 passengers. Each passenger pays £23

2.30+0.4-0.88+1.33 can u explain the answer to this why the answer is 3.15

Is it true or false i’m trying to pass this test so i can leave school

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?