3*boys=2*18
3*boys=36
boys=12
12+18=30
total number of students: 30
option a as 3 is outside of bracket it will be multiplied by what is in bracket sot the answer will equivalent to question
Answer:
The teacher is 1.416667 times taller than the student
Step-by-step explanation:
(5 2/3)/4
=1.416667
3×(60+7)
(3×30) + (3×7)
90 + 21 = 111