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Levart [38]
3 years ago
14

In a cafeteria, 3/10 of the students ate eating salads, and 3/5 are eating sandwiches. There are 30 students in the cafeteria. H

ow many students are eating lunches other than salads or sandwiches?
Mathematics
1 answer:
Daniel [21]3 years ago
5 0

Answer:

1/10 or 3kids

Step-by-step explanation:

First you want to take 3/5 into 10nths so you do 3/5 times two and you get 6/10 then you add up 6/10 and 3/10 and you get 9/10. 30÷ 9/10 is 27 so 3 kids are having other things

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What is 14.54 - n = 7.52?
Lelechka [254]
The answer is 7.02 because you subtract 14.54 over to 7.52 and get a negative -7.02 but you can´t have a -n so you have to divide -7.02/-n and it goes postive so
n=7.02
Hope That Helps :) 
6 0
3 years ago
Read 2 more answers
Can some one explain to me how I do it step by step to understand and with answer what is the area and perimeter and type please
frozen [14]
This is a square. because the lengths and the widths are equal. I mean, all four sides are equal.


the area of a square is the square of a side
{s}^{2}  =  {5.4}^{2}  = 29.16

and the perimeter of a square is a side multiplied by 4
4s = 4 \times 5.4 = 21.6




hope this helps


good luck
4 0
3 years ago
Ashley deposits $1000 into an account that earns 4% interest compounded 2 times per year. how much money will Ashley have in her
loris [4]
The equation for compound interest is A=P(1+\frac{r}{n})^{nt}, where:
P is the original deposit (or "principal")
r is the rate of the interest (in decimal form)
n is the number of times per year that the interest is compounded
t is the time passed in years

Plugging in your values, we see that the equation becomes A=1000(1+\frac{.04}{2})^{(2)(5)}=1000(1.02)^{10}

which equals, to the nearest cent, $1218.99, which is answer C.


3 0
4 years ago
I need this ASAP. Pls help
worty [1.4K]

Answer:

answer is below. you can use photo math

Step-by-step explanation:

7 0
3 years ago
Brandee makes an hourly wage. In the last pay period, she earned $800 for regular hours and $240 for overtime hours. Her overtim
abruzzese [7]

Answer:

  h = 13.333 +693.333/r

Step-by-step explanation:

For h hours, Brandee's pay will be ...

  pay = 40r +(h -40)(1.5r) . . . . 40 hours at rate r + overtime (h-40) hours at 1.5r

  pay = 40r +1.5hr -60r . . . . . eliminate parentheses

  pay = 1.5hr -20r . . . . . . . . . . collect terms

Solving for h, we have ...

  pay +20r = 1.5hr . . . . . . . . . . add 20r

  h = (pay +20r)/(1.5r) . . . . . . . . divide by 1.5r

For the given pay of 800 +240 = 1040, we have ...

  h = (1040 +20r)/(1.5r)

  h = 13.333 +693.333/r . . . . . simplify to 2 terms

_____

<em>Additional comments</em>

You need to know r to find the number of hours Brandee worked. She got paid $800 for a presumed 40-hours of regular time, so made r = $20 per hour. The above formula will tell you she worked 48 hours in the pay period.

6 0
3 years ago
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