2 years ago

of the 125 students in 5th grade, 3/5 of them have a mobile phone. How many students do not have a mobile phone.

Mathematics

2 answers:

Pie2 years ago

6 0

50 do not have a mobil phone.....

125/5=25
SO...do 25*3=75
THEN...125-75=(50)

Zinaida [17]2 years ago

4 0

it should be 125/5 is 25
so now we know each 1/5 os 25
in order to find 35 we multiply 25 by 3
25 x 3 is 75
75 students HAVE a mobile phone
now subtract 125-75 and you should get 50
final answer is 50

You might be interested in

Find the distance between the point (2, 3) and the line 4x + 3y = 10 (round your answer to the nearest tenth).

Monica [59]

Explanation

Let's first graph the elements:

Using the distance formula we get:

$d=\frac{|4(2)+3(3)-10|}{\sqrt{4^2+3^2}}$ $d=\frac{|7|}{\sqrt{25}}=\frac{7}{5}=1.4$

4 0

1 year ago

What's substitution for:<br> X=y-7<br> X+8y=2

MrRissso [65]

$\left \{ {{x=y-7} \atop {x+8y=2}} \right. \\\\
substitute\ x=y-7\ into \ the\ second\ equation\\\\
y-7+8y=2\\\\
9y-7=2\ \ \ | add\ 7\\\\
9y=9\ \ \ | divide\ by\ 9\\\\
y=1\\\\x=y-7=1-7=-6$

4 0

2 years ago

the price of a sandwich is $1.50 more than the price of a smoothie,which is d dollars.What does the expression d+1.5 represent?

yuradex [85]

D + 1.5......with d being the price of a smoothie.....the expression would represent the total cost of one smoothie + one sandwich.

5 0

3 years ago

Read 2 more answers

There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes,and 2 less yellow bikes than green bikes.how ma

Phoenix [80]

Y+4= x blue bikes
G-2= x yellow bikes

4y+4= 8 blue bikes
4y+2= 6 green bikes
4y= 4 yellow bikes

8 blue bikes
+
6 green bikes
+
4 yellow bikes
=
18 bikes total

5 0

2 years ago

Express.as decimal numerals nine and two hundred thirty five thousnadths

notka56 [123]

The answer is 9.235. Hope that helped

4 0

3 years ago