Students ages 10-17 were survey about their eating habits during breakfast
2 answers:
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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:
9.9 gallons
Step-by-step explanation:
To solve this problem, we need to cross multiply. Lets input the values (250, 275, 9) as shown below:
Next we cross multiply. We multiply 250 and x, and we multiply 9 and 275.
Now, lets put the values above back into the equation:
Lets solve this equation. First we divide 2,475 by 250, making x by itself.
This means that to drive 275 miles, Kala would need to use 9.9 gallons of gas.