There are 6 shirts in the batch
Step-by-step explanation:
The given is:
1. Screen printing a batch of shirts takes 0.4 minutes to make a shirt
2. The initial set time is 4 minutes
3. It takes 6.4 minutes to screen-print a batch of shirts
We need to find how many shirts are in the batch
Let us represent these information in a function
Assume that there are n shirts in the batch
Then t(n) is the total time to screen-print n shirts in the batch
∵ There is initial set time = 4 minutes
∵ It takes 0.4 minutes to make a shirt
∵ The number of shirts = n
∴ t(n) = 0.4 n + 4
∵ It takes 6.4 minutes to screen-print a batch of shirts
∴ t(n) = 6.4
∵ t(n) = 0.4 n + 4
∴ 6.4 = 0.4 n + 4
- Subtract 4 from both sides
∴ 2.4 = 0.4 n
- Divide both sides by 0.4
∴ n = 6
There are 6 shirts in the batch
Learn more:
You can learn more about linear functions in brainly.com/question/4326955
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