In a class of 40,the ratio of boys to girls is 3: 5.how many are girls how many are boys? ​

Answers

• Réponse publiée par: reyquicoy4321

  15 boys

  Step-by-step explanation:

  3:5 where 3 is for boys and 5 is for girls

  3+5= 8

  40 divided by 8 = 5

  5*3=15 boys

  checking:

  5*3= 15

  5*5=25

  15+25= 40(true)
• Réponse publiée par: reyquicoy4321

  15 boys, 25 girls

  Step-by-step explanation:

  1. Add the ratios

  3 + 5 = 8

  2. Divide the total number by the total ratio

  40 ÷ 8 = 5

  3. Multiply the answer in step 2 by the ratios

  5 × 3 = 15

  5 × 5 = 25

  Therefore, there are 15 boys and 25 girls in the class.
• Réponse publiée par: shannel99

  15

  Step-by-step explanation:

  40 = 3x + 5x

  40 = 8x

  5 = x

  3x = boys = 15

  Therefore, there are 15 boys in the class
• Réponse publiée par: sicienth

  Step-by-step explanation:

  3+5=8

  40÷8=5

  5 is 1 part of 40

  5×3=15

  5×5=25

  Checking

  15 + 25 = 40

  15÷5=3

  25÷5=5

  3:5

  There are 15 boys and 25 girls in the class.