Question

One third of total number of students in a class are in chemistry laboratorry, one fourth are in physics laboratory, one sixth are in biology laboratory and 12 are in mathematics lab. how many students are there in the class?
please tell step by step

Answer 1

Answer:

48 students

Step-by-step explanation:

answer is this ok

Answer 2

Answer:

here is the answer of your questions....!!!!

Step-by-step explanation:

Let us consider the total no. of students as X.

Let us consider the total no. of students as X.So:

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = X

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = XX/3 + X/4 + X/6 + 12 = X

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = XX/3 + X/4 + X/6 + 12 = X4X + 3X + 2X + 144 / 12 = X

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = XX/3 + X/4 + X/6 + 12 = X4X + 3X + 2X + 144 / 12 = X9X + 144 = 12X

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = XX/3 + X/4 + X/6 + 12 = X4X + 3X + 2X + 144 / 12 = X9X + 144 = 12X9X - 12X = - 144

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = XX/3 + X/4 + X/6 + 12 = X4X + 3X + 2X + 144 / 12 = X9X + 144 = 12X9X - 12X = - 144- 3X = - 144

Let us consider the total no. of students as X.So:1/3 of X + 1/4 of X + 1/6 of X + 12 = XX/3 + X/4 + X/6 + 12 = X4X + 3X + 2X + 144 / 12 = X9X + 144 = 12X9X - 12X = - 144- 3X = - 144X = 144/3 = 48

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