in a school, the ratio of the number of boys to the number of girls is 2:3 and the ratio of the number of girls to the number of teachers is 7:4. what is the ratio of the number of students to the number of teachers?

Hint: Convert each ratio to an equivalent ratio such that the new value for the number of girls is common for both ratios.

Guest May 3, 2021

#1**0 **

in a school, the ratio of the number of boys to the number of girls is 2:3 and the ratio of the number of girls to the number of teachers is 7:4. what is the ratio of the number of students to the number of teachers?

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B : G = 2 : 3 G : T = 7 : 4

2 : 3 = x : 7

x = 4 ^{2}/_{3}

B : G : T = 4 ^{2}/_{3} : 7 : 4

(B + G) : T = 11 ^{2}/_{3} : 4 | *3

(B + G) : T = 35 : 12

Guest May 3, 2021

#2**+1 **

in a school, the ratio of the number of boys to the number of girls is 2:3 and the ratio of the number of girls to the number of teachers is 7:4. what is the ratio of the number of students to the number of teachers?

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

B : G = 2 : 3 G : T = 7 : 4

2 : 3 = x : 7

x = 4 ^{2}/_{3}

B : G : T = 4 ^{2}/_{3} : 7 : 4

(B + G) : T = 11 ^{2}/_{3} : 4 | *3

(B + G) : T = 35 : 12

civonamzuk May 3, 2021