I think you have it upside down.
When you solve a proportion, you cross multiply. You can have the same proportion just by interchanging 8 and b
a/8 = b / 15 When you cross multiply, you get
15a = 8b Try the given proportion to see what happens
Answer
Find out the possible heights of her fourth plant.
To prove
Let us assume that the possible heights of her fourth plant be x.
As given
Millie needs the average height of the plants she is buying to be atleast 73 inches.
She has selected three plants that are 70, 71, and 72 inches tall.
Average formula

Put the value
Here Total numbers of flowers = 4
Put in the formula




79 ≤ x
Therefore the possible height of the fourth plant be 79 .
Answer:
$14.
Step-by-step explanation:
10 + 0.40 * 10
= 14.
2.9*10^10+ 5.35*10^10
= (2.9+ 5.35)*10^10 (distributive property)
= 8.25*10^10
The correct answer is A. <span>8.25 times 10^10~</span>