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nirvana33 [79]
3 years ago
9

Answer pls it’s due at 3

Mathematics
1 answer:
KIM [24]3 years ago
3 0

Answer:

24

Step-by-step explanation:

3*8 = 24

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-4x 25 = 13 solve for x
sammy [17]
- 4x + 25 = 13
4x = 12
x = 3
3 0
3 years ago
It takes 40 minutes for 8 people to paint 4 walls. how many minutes does it take 10 people to paint 7 walls?
timurjin [86]
Its not 70 its 56, because you have to see how many minutes it takes for 1 to do 4 walls which would be 40*8.
Then you have to see if how many minutes its take a person to do one wall which is 8*40/4 from getting the amount of the 1 person doing 4 walls and get 80.
Then you need to see how many walls a person can paint 7 walls out of 10 people.So, we know how many minutes for each wall which is 80 and then multiply it by 7 to get 560 and divide it by 10 to get a product of 56.
7 0
3 years ago
Read 2 more answers
Can someone help me solve for x in this equation?? 25+3.50x < 17+7.50x
Lelu [443]
So we want to solve like if it was just a basic equation. We start with 25+3.50x<17+7.50x and get rid of our smallest x. That means we get rid of the 3.50x by subtracting from both sides and our new equation is 25<17+4x. Let’s get our x by itself shall we, so let’s subtract 17 from both sides and we get 8<4x. Finally all we do is divide by 4 and just like that 2
4 0
3 years ago
How many eights make a half
evablogger [386]

Answer:

Four, because 4/8 = 1/2 There are obviously 8 1/8ths in a whole so half of that amount is obviously 4 1/8ths.

Step-by-step explanation:

Gave above.

7 0
3 years ago
A hotel charges $90 per day for a double room $80 per day for a single room. If a total of 80 single and double rooms are occupi
SashulF [63]

Answer:

the number of single room is 27 and the number of double room  is 53

Step-by-step explanation:

Let x is the number of single room

Let y is the number of double room

We know that:

x + y = 80 <=> x = 80 -y (1)

80x +90y= 6930 (2)

Substitute (1) in (2) we have:

80 (80 - y) + 90y = 6930

<=> 6400 - 80y +90y = 6930

<=> y = 53

> x = 80 - 53 = 27

the number of single room is 27 and the number of double room  is 53

4 0
2 years ago
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