There are five boys to every nine girls in an introductory biology course. If there are 406
406
students enrolled in the course, how many are boys?

Respuesta :

The number of boys is 338. and girls are 68.

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that there are five boys to every nine girls in an introductory biology course. And there are 406 students enrolled in the course,

Let the number of the boys be B and the number of the girls are G. Form two equations and solve.

G + B = 406

B = 5G

G + 5G = 406

G = 406 / 5

G = 68

The number of boys will be:-

G + B = 406

B = 406 - 68 = 338

Therefore, the number of boys is 338. and girls are 68.

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