Well, just take the difference, 51-29, and 22 is how much less his card it being valued at. Or you can do 29-55, which would be -22, showing the amount and that it's valued less.
≈9.38
13² - 9² = x²
189 - 81 = 88
√88 = x
Answer:
4322
Step-by-step explanation:
30 students. Take 24, divide it by the 80% and then multiply that answer by 100. You should get 30. To test, take 24 divided by 30 and multiply by 100, you will get 80%
Probability red+green
first pick(red) : 7/10
2nd pick( green) : 1/10
the answer maybe like this
prob : 7/10+1/10 = 8/10 =4/5