Answer:
1/3
Step-by-step explanation:
Probability of solving ten problems by Carl
Given
Total number of problems = 20
Number of problems studied by Carl = 15
Number of problems out of the 20 set of problem coming in test is 10
Case I - All ten problems come from the set of known 15 question
10/15 * 10/20 = 1/3
Answer:
4 hours
Step-by-step explanation:
6.25X4=25 so he'll have an extra dollar
Answer:
A 1 1/12
Step-by-step explanation:
just add 4 and 9 you get 13