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

Find the volume of the prism. A) 216 km B) 109 km C) 113 km D) 152 km
How many pairs of shoes do teenagers have? To find out, a group of AP ® Statistics students conducted a survey. They selected a random sample of 20 female stude
What time period was the winged victory created and what purpose did it have
PLS HELP FAST A plane in which the coordinates of a point are its distances from two intersecting perpendicular lines called axes. Which term is defined in the
(LOTS OF POINTS) Julia has 2 more marbles than John. If the total number of marbles is 18, write an equation to represent the situation using a variable.
Question below.....................
Quadrilateral LMNO is similar to quadrilateral PQRS. Find the measure of side QR. Round your answer to the nearest tenth if necessary. N R 33.7 S Q O M 18 47 P
Pls help with times tables if u click there will be a picture
solve the following questions ​
Explain what role spindle fibers play in the dividing cells.