3 years ago

The ratio of boys to girl at the dance was 9 to 5.how many girls were at the dance if there were 85 girls ar the dance

Mathematics

1 answer:

liq [111]3 years ago

6 0

Answer:

153

Step-by-step explanation:

ans.

5x=85

x =85÷5

=17

9x=17x9

=153

You might be interested in

Identify the interval that is not equal to the other three. explain your reasoning

Marrrta [24]

The third one, 40-45 because the difference of the rest are 4, while that one is 5.

5 0

3 years ago

Help i will give an award!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Grace [21]

Answer: Plug in answers work backwards; or learn log to get rid of powers

Step-by-step explanation: save time on your test by cheating yourself of knowledge

6 0

3 years ago

Read 2 more answers

Solve the equation for a.

Pavel [41]

Answer:

$\large\boxed{a=\dfrac{K}{4+9b}}$

Step-by-step explanation:

$K=4a+9ab\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\K=a(4+9b)\qquad\text{divide both sides by}\ (4+9b)\neq0\\\\\dfrac{K}{(4+9b)}=\dfrac{a(4+9b)}{(4+9b)}\\\\\dfrac{K}{4+9b}=a$

6 0

3 years ago

Read 2 more answers

Harry has 20 sweets. He gives 7 of the sweets to Nadia. What fraction of the 20 sweets does Harry have now?

olganol [36]

Answer: 13

Step-by-step explanation:

1. Harry has 20/20 sweets

2. Nadia takes 7/20 sweets

3. Your left with 13/20

3 0

4 years ago

Read 2 more answers

The exterior angle measure of a regular polygon is 20 degrees. How many sides does the polygon have? 9 16 18 20

notka56 [123]

The polygon would have 18 sides. Hope this helps!

8 0

3 years ago

Read 2 more answers