All categories

3 years ago

The ratio of girls to boys in the grade is 7 to 8. If there are 140 girls, how many boys are there

Mathematics

2 answers:

Kipish [7]3 years ago

4 0

there are 160 boys in the grade

Schach [20]3 years ago

3 0

There are 160 boys.

Set up a proportion:

the ratio of girls to boys is 7/8, we don’t know how many boys there are but we know that there are 140 girls.

7/8 = 140/x

Make sure that girls and girls are across from each other in the proportion. 7 should be across from 140. 8 is across from x. X represents how many boys there are.

Solve for X (the amount of boys) and you get 160 boys.

And you can always check your answer by plugging it back into the problem.

You might be interested in

274,635 rounded to the nearest thousands

Firlakuza [10]

275000 is your answer

hope it help

6 0

2 years ago

(SUPER EASY ANSWER QUICK 30 POINTS!)

harina [27]

$\frac{35}{4}$ feet below the surface

adding the 2 quantities

3 $\frac{1}{2}$ + 5 $\frac{1}{4}$

= (3 + 5 ) + ( $\frac{1}{2}$ + $\frac{1}{4}$ )

= 8 + ( $\frac{2}{4}$ + $\frac{1}{4}$ )

= 8 + $\frac{3}{4}$ = 8 $\frac{3}{4}$ = $\frac{35}{4}$

3 0

3 years ago

What does coincides mean in geometry

Marianna [84]

Answer:

Two lines or shapes that lie exactly on top of each other. Example: these two lines are coincident, only you can't see them both, because they are on top of each other.

Step-by-step explanation:

7 0

3 years ago

Write 25x10 the power of 6 in standard from

forsale [732]

Answer:

25 * 10^6

But 10^6 is the same as multiply 10 six times, that is, 10 * 10 * 10 * 10 * 10 * 10 * 10. The result is as simple as writing 1 and six zeros, that is, counting the number of zeros I can see. So, 10^6 = 1000000.

Now, 25 * 10^6 = 25 * 1000000

The final answer is 25000000

Step-by-step explanation:

3 0

2 years ago

What is the value of x in the model below?

Arturiano [62]

i think its -3

hope its right and helpful

if it is then mark brainlyist

6 0

3 years ago

Read 2 more answers