It is a good thing to remember. Of course, not all, but some basic numbers that appear all the time such as the numbers from 2 to 13 should be remembered as they appear in numerous assignments and tests.
Yes your correct but thats not a question
Jon=x-2 jor=x
2(x-2)=x+6
2x-4=x+6
combine like terms
x=10 Jordan's age
x-2 or 10-2 =8 Jonathan's age
13-10= 3 years apart
when aylon was 3 Karina was 6
2×3 =6
this was 7 years ago(answer)
10-3=7
13-6=7
48-36=12 years apart
when kd was 6 and md 18
3×6=18
30 years ago
36-6=30
48-18=30
Answer:
your answer would be A.)12
Step-by-step explanation: You needed to find out what number you can put for it to add up to the number on the bottom line, 17. So you would add (12+5=17) , And you would get the same number as the number on the bottom line.
~hope this explanation has helped~