Answer:
23
Step-by-step explanation:
1. according to the condition 'Bob is 3 years older than twiceJohn's age':
B-2J=3;
2. according to the condition 'The sum of their ages is 33':
B+J=33
3. If to solve these two equations as a system, then
![\left \{ {{B+J=33} \atop {B-2J=3}} \right. \ => \left \{ {{B=23} \atop {J=10}} \right.](https://tex.z-dn.net/?f=%5Cleft%20%5C%7B%20%7B%7BB%2BJ%3D33%7D%20%5Catop%20%7BB-2J%3D3%7D%7D%20%5Cright.%20%20%5C%20%3D%3E%20%5Cleft%20%5C%7B%20%7B%7BB%3D23%7D%20%5Catop%20%7BJ%3D10%7D%7D%20%5Cright.)
Answer: 3/6
Step-by-step explanation: 6 sides, 3 answers
Answer:
B
Step-by-step explanation:
Elimanited C and D
Answer:15
Step-by-step explanation:
A sum of positive natural numbers adding up to n is called a partition of n. For
instance, 1+2+4 is a partition of 7. As none of the summands 1, 2, 4 are equal, this
is called a partition into unequal parts. Does this help? Because this is all I know :(