A)
Note that there are only two numbers that correspond complete wording of question: 59 and 68
It is easy to verify that the number found number is 68:
Look:
6 + 8 = 14 and
<span>86 - 68 = 18
b)
Now you can solve one system:
x + y = 21
x - y = 5
Add both equations:
2x = 26
x = 13
So: y = 8
</span>
Answer:
(12x-5)(2x-1)
Step-by-step explanation:
Wait i think you made a spelling error, did you mean x=3?
Answer:
400 times Greater
Step-by-step explanation:
8 x 10^4
10^4 = 10000
10000 x 8 = 80000
2 x 10^2
10^2 = 100
2 x 100 = 200
= 400