3 years ago

There are 63 students in band. This represents 30% of the grade. How many students are in the entire grade

Mathematics

2 answers:

almond37 [142]3 years ago

8 0

So, the question is 63 is 30% of what number?

That can translate to the equation

63 = 30% · x or 63 = 0.3x

Divide by 0.3 and you get x = 210.

There are 210 students in band.

notka56 [123]3 years ago

4 0

Answer:

210 students

Step-by-step explanation:

210 x (3/10) = 63

You might be interested in

Each week your science teacher gives a fifteen-point quiz. Your current scores are shown in the table. What is your mean quiz sc

xxTIMURxx [149]

Answer:

12.

Step-by-step explanation:

To find the mean of a group of data, you add up all of the numbers and divide the total by the amount of numbers there are. In this case, you have 15,11,10,11,14,10,15,10,and 12.

All of those numbers added together is 108.

108 divided by 9 numbers, or weeks, is 12.

The average, or mean, is 12.

8 0

3 years ago

Read 2 more answers

A submarine went down 800 feet below sea level to Point A, then traveled up to Point B, which was 160 feet below sea level. Writ

Nadusha1986 [10]

The depth of Point A: 800 ft.
The depth of the Point B : 160 ft.
The distance from the point A to point B:
800 - 160 = 640 ft.
The fraction is:
640 / 800 = 4/5

3 0

3 years ago

Using the equation y=kx and the table below, find the constant of proportionality (k).

elena-s [515]

Answer:

k = 9/4

Step-by-step explanation:

To find k, use the equation

y = kx

Pick a point

72 = k *32

Divide each side by 32

72/32 = k

9/4 = k

4 0

3 years ago

Read 2 more answers

11. What is 25?<br> a. 10<br> b. 15<br> c. 32<br> d. 16

ikadub [295]

Answer:

for what source

Step-by-step explanation:

8 0

3 years ago

Practice isolating the variable to solve equations with

bulgar [2K]

Answer:

9 =6x

Step-by-step explanation:

We know this is the answer because the -4x was cancelled out left to the equal sign, and 2x has now become 6x after adding 4x.

5 0

3 years ago