2 5 of the pupils in a school wear spectacles. There are 2250 pupils in the school. How maby pupils do not wear spectacles?
To find out how many pupils do not wear spectacles, we first need to find out how many pupils wear spectacles.
There are 2250 pupils in total and 2/5 of them wear spectacles.
So, 2/5 x 2250 = <<2/5*2250=900>>900 pupils wear spectacles.
Therefore, the number of pupils who do not wear spectacles is 2250 - 900 = <<2250-900=1350>>1350. Answer: \boxed{1350}.
To find the number of pupils who do not wear spectacles, we will subtract the number of pupils who wear spectacles from the total number of pupils in the school.
Step 1: Calculate the number of pupils who wear spectacles.
If 2 out of 5 pupils wear spectacles, we can calculate it as follows:
Number of pupils who wear spectacles = (2/5) * 2250
Number of pupils who wear spectacles = 900
Step 2: Calculate the number of pupils who do not wear spectacles.
Number of pupils who do not wear spectacles = Total number of pupils - Number of pupils who wear spectacles
Number of pupils who do not wear spectacles = 2250 - 900
Number of pupils who do not wear spectacles = 1350
Therefore, there are 1350 pupils who do not wear spectacles in the school.
To find the number of pupils who do not wear spectacles, we first need to determine the number of pupils who wear spectacles. We are given that 2/5 of the pupils wear spectacles.
To do this, we can use the following steps:
Step 1: Find the number of pupils who wear spectacles.
- Multiply the total number of pupils (2250) by the fraction of pupils who wear spectacles (2/5).
- Calculation: 2250 * (2/5) = 900
So, we have found that 900 pupils wear spectacles.
Step 2: Find the number of pupils who do not wear spectacles.
- Subtract the number of pupils who wear spectacles (900) from the total number of pupils (2250).
- Calculation: 2250 - 900 = 1350
Therefore, there are 1350 pupils who do not wear spectacles in the school.