3 years ago

The ratio of boys and girls in a 4:3.If there are 20 boys, find the number of girls.

Mathematics

2 answers:

rosijanka [135]3 years ago

8 0

Answer:

Step-by-step explanation:

Add:

boys : girls

4 : 3 = 7

20: ? = ?

Divide:

20 / 4 = 5

5 × 3 = 15

20: 15

So, there are 15 girls.

Elina [12.6K]3 years ago

6 0

Answer:

There are 15 girls.

Step-by-step explanation:

The ratio is 4:3, meaning there are 7 parts.

4 parts= 20 (Boys)

This means 1 part is 20 divided by 4.

1 part= 5

3 parts= Amount of girls.

3 x 5 = 15.

There are 15 girls.

You might be interested in

Which pair are equal trig values? A) tan 45° and sin 45° Eliminate B) sin 40° and sin 50° C) sin 36° and cos 54° D) cos 65° and

ira [324]

Answer:

Step-by-step explanation:

note that sin x = cos(90 - x ) ← Cofunction identity

If x = 36 then 90 - x = 90 - 36 = 54

Hence sin 36° = cos 54° → C

3 0

3 years ago

Need help now! (probibility)

algol13

Answer:

36%, I'm fairly certian

Step-by-step explanation:

A. 90%

B. 60%

C. 30%

D. 36%

D. makes the most sense to me

6 0

3 years ago

Can anyone help? Please??!!

goldfiish [28.3K]

Hi! The answer to that question is B and D cause if you read the promblem it is it!

7 0

3 years ago

I need help asappp!!

stich3 [128]

Answer:

168

Multiply 8 times 3 times 7

4 0

3 years ago

Read 2 more answers

Mittens 85 Solve the proportion missing quantity. for the 5

Troyanec [42]

What this doesn’t make sense

6 0

3 years ago

The ratio of boys and girls in a 4:3.If there are 20 boys, find the number of girls.​

The ratio of boys and girls in a 4:3.If there are 20 boys, find the number of girls.