9514 1404 393
Answer:
Step-by-step explanation:
Let n represent the current age of the niece. Then 4n is Larry's current age. 4 years ago, the relationship was ...
6(n -4) = 4n -4
6n -24 = 4n -4
2n = 20
n = 10
Larry is 40; his niece is 10.
Answer:
there just in different units
Step-by-step explanation:
Answer:
-21
Step-by-step explanation:
I hope this helps you
13-11 < XZ <13+11
2 < XZ <24
less 24
The given relation is
n·(3n-7) = 20
In standard form, this is
3n² -7n -20 = 0
(n -4)(3n +5) = 0
n = 4 or -5/3
The number is -5/3.