Answer:
6 years
their average age now is 15
so, in six years the average age will be 21
Step-by-step explanation:
If im wrong you have my regrets
Answer:
f(4) = 1
Step-by-step explanation:
f(4) = what?
So if we know that x, aka 4, is technicially f is greater then 2, so you can plug in x as 4. So that means 5(4) - 19 = 20 - 19 = 1, so f(4) = 1
20% is what you won't pay therefore 80% is what you'll pay.=80/100*220=$176
Actually I think it may be C
