Answer:
1:1
Step-by-step explanation:
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

Answer:
Step-by-step explanation:
2+2
You add 2 to 2 3,4
Answer:
3 years
Step-by-step explanation:
set two equations in inches and equate
MN and QR are corresponding :-)