Math part 3
Testo Storyboard
- Diapositiva: 1
- 5. You see , when it comes to finding x, you just need to do substitute the k and do the same process as solving for k. Which is...?
- 6. Putting a one under y and cross multiplying then dividing to isolate x!
- Correct! Now before I dismiss you, I want to test your knowledge by giving you the problem you failed on in the formative. Here, I will write it on the board.
- Take your time, I will wait
- Diapositiva: 2
- The amount of minutes (m) that it takes factory workers (f) to make toys (t) varies directly as the number of toys and inversely as the number of factory workers. Assume there are 10 factory workers who can make 5 toys in 5 minutes. How many more toys can 16 factory workers make in the same time?
- So first I need to find the formula which is m = kt ÷ f then find k. The process for finding k should be: Substitute the formula first which should make it 5 = k(5) ÷ 10, and then I multiply, 5 * k = 5k.
- Diapositiva: 3
- The amount of minutes (m) that it takes factory workers (f) to make toys (t) varies directly as the number of toys and inversely as the number of factory workers. Assume there are 10 factory workers who can make 5 toys in 5 minutes. How many more toys can 16 factory workers make in the same time?
- Now the second step is to find t. And to find it I just need to do the same process as finding k! So I just need to substitute k and the formula which turns into 5 = 10 (t) ÷ 16.
- Diapositiva: 0
- Understood sir. I will answer quickly.
- Then put a one under m (which is 5) and cross multiply. Which should result in 5k = 50, then I divide both sides to isolate k and that should result in k = 10!
- So now I just need to put a one under m (which is 5) and cross multiply which should result in 10t = 80, then I divide both sides to isolate t which should result in t = 8!
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