Answer:
Exact Form: x = 5 + sqaureroot 11/2
Decimal Form: x = 4.15
171
Step-by-step explanation:
Q~r
find k (k is the constant)
Q=kr
76=k×20
76=20k divide 20 on both sides giving you
k=3.8
then Q=k×r
Q=3.8×45
Q=171
