A recipe calls for 4 carrots for every 2 cups of water. Which expression can be used to find the number of carrots needed
2 answers:
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Answer:
About 113,097.34 units
Step-by-step explanation:
The volume of a sphere can be found with the equation V = πr³ when r is the radius.
V = πr³
V = π(30)³
V ≈ 113,097.34 units
Given:
The rate of interest on three accounts are 7%, 8%, 9%.
She has twice as much money invested at 8% as she does in 7%.
She has three times as much at 9% as she has at 7%.
Total interest for the year is $150.
To find:
Amount invested on each rate.
Solution:
Let x be the amount invested at 7%. Then,
The amount invested at 8% = 2x
The amount invested at 9% = 3x
Total interest for the year is $150.
Multiply both sides by 100.
Divide both sides by 50.
The amount invested at 7% is .
The amount invested at 8% is
The amount invested at 9% is
Thus, the stockbroker invested $300 at 7%, $600 at 8%, and $900 at 9%.