Ask question

Ask question

All categories

2 years ago

8

A bag is filled with marbles. You take out and mark 80 marbles. Then you put the marbles back in the bag and mix the marbles. In

a sample of 20 marbles, 4 of the marbles are marked. About how many marbles are in the bag?

2 answers:

evablogger [386]2 years ago

7 0

There are about 400 marbles

noname [10]2 years ago

3 0

About 400 marbles. You simply set up a proportion and solve it as I did in the photo attached.

You might be interested in

Rectangle ABCD Is shown on the grid.

Sauron [17]

What is The area of A rectangle ABCD in square units is going to be p=a+b+c

7 0

3 years ago

Read 2 more answers

For every blue strip you have, you need two yellow strips. You have 12 blue strips. How many yellow strips do you need ?

Katen [24]

Answer:

24 yellow strips

Step-by-step explanation:

since you need two yellow for every blue, you need to double the total of blue to get the number of yellow that are needed.

7 0

2 years ago

Read 2 more answers

Select the correct answer.

Black_prince [1.1K]

Answer:

i think the answer is b if i am wrong please tell me please :(

Step-by-step explanation:

6 0

2 years ago

Will mark brainest help please !!!

amm1812

8) red and 1, red and 2, red and 3, blue and 1, blue and 2, blue and 3

So answer is 6

9) 0.5*1/3 = 0.17

10) 0.5*2/3 = 0.33

7 0

3 years ago

Which statement is true

Eva8 [605]

Answer:

3/6 = 4/8

Step-by-step explanation:

they're both halves

8 0

2 years ago

Read 2 more answers