Question

Set up an equation in the following cases: (i) Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. (Take Laxmi’s age to be y years.) (ii) In an isosceles triangle, the vertex angle is twice either base angle. (Let the base angle be b in degrees. (Remember that the sum of angles of a triangle is 180 degrees). (iii)The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)

Answer 1

Answer:

sooooo long questions

Answer 2

i)3y+4= 49

ii) 2b+x= 180°

iii) 2l+7 = 87