I dont know exactly your answer but ill tell you how to solve add all your numbers together and then divide it by 45 (the number of numbers u have)
A+ny = n
a = n-ny
a = (1-y)n
a/(1-y) = n
<span>n = a/(1-y)</span>
Answer:
B or A
Step-by-step explanation:
got it right on a test a year ago
(is probably B though.)
Answer:
Jewel is 7 years old
John is 1 year old
Dave is 17 years old
Step-by-step explanation:
From the question we are told that:
Jewel age is 
John age 
Dave's age a Year ago

So that Dave.s age this Year could be

Simplifying Equation for Dave's age we have





Dave is 17 years old
Therefore
Johns age is



John is 1 year old