<span>4x – 20 = 900
4x = 900+20
4x = 920
x = 920/4
x = 230
he earned $230
</span>
Answer:
Step-by-step explanation:
Let x, y , and z be the numbers.
Then the geometric sequence is
Recall that term of a geometric sequence are generally in the form:
This implies that:
a=32 and
Substitute a=32 and solve for r.
Take the fourth root to get:
Therefore