jaianna75 jaianna75
  • 13-10-2020
  • Mathematics
contestada

ve spent the whole weekend grading math assignments. I graded 30 students
work this weekend, which is 40% of my class. How many students do I have in
my class?

Respuesta :

rgkmicro
rgkmicro rgkmicro
  • 13-10-2020

Answer:

75

Step-by-step explanation:

How many students is 1% of the class, 30/40=0.75, so you could do 0.75x100=75, or you could do 0.75x60=45, and 45+30=75.

Answer Link

Otras preguntas

who invented watermelon
The ratio of red collars to black collars sold at one store is 9 to 10. In one month 30 black collars were sold. Is 57 a reasonable number for the total number
Describe an example of a fossil that consists of an entire organism
How many outcomes are there if you roll two dice with side sides
How did the British challenge U.S. Neutrality in the war between France and Britain?
Use a factor tree to find the prime factorization of 164
There are 12 rabbits in a cage. The ratio of white rabbits to all rabbits is 3:4. How many white rabbits are in a cage?
Who was the 24 president of the United States?
what is 39/50 in a percent
The ratio of blue marbles to redmarbles in a bag is 11:9. If there are 99 blue marbles, in the bag, how many red marblesare there?