MargzLolz
MargzLolz MargzLolz
  • 17-01-2022
  • Mathematics
contestada

(pls help this is elementary)

1, 45 is n% of 90.

2, 30 is 50% of n.​

Respuesta :

iciclepiano18
iciclepiano18 iciclepiano18
  • 17-01-2022

Answer:

Look below

Step-by-step explanation:

1. Let's set up an equation...

45=n%90

45=n/100*90

45=9n/10

Multiply both sides by 10...

450=9n

Divide both sides by 9

n=50

50%

2. Let's set up an equation...

30=50%n

30=50/100*n

30=1/2*n

30=n/2

Multiply both sides by 2

n=60

60

Answer Link
CleverCucumber
CleverCucumber CleverCucumber
  • 17-01-2022
1. n = 50

45 is 50% of 90.

2. n = 60

30 is 50% of 60.
Answer Link

Otras preguntas

Explain how often congress reapportion its membership and how such reapportionment can affect the reelection of incumbent members of congress
Solve x+6(x-1)=7(3+x)
Which of these would be BEST classified as an ethnic region?
A leopard of mass 65kg climbs 7m up a tall tree. Calculate how much gravitational potential energy it gains. Assume g=10N/kg. Answer in J.(10 points)
According to the graph what is the value of the constant in the equation below ?
Help please !!!!!!!! !!!!!!!!!!!!
who were the titans and what role did they play in the cosmology of ancient greece?
How many nucleotides are present in the “normal” DNA sequence in Model 1?
What are the criteria that must be considered in order to determine if one’s abnormal behavior can be diagnosed as a psychological disorder?
solve ASAPi dont get it