The unit rate for 65 miles in 2.7 gallons is___ miles per gallon. (Round your answer to the nearest hundredths)
1 answer:
Answer:
The unit rate for 65 miles in 2.7 gallons is 24.07 miles per gallon.
Step-by-step explanation:
Given that:
65 miles in 2.7 gallons
We have to find the unit rate.
Unit rate is a rate to compare quantities in which one quantity is 1.
Unit rate =
Unit rate = 24.07 miles per gallon.
Hence,
The unit rate for 65 miles in 2.7 gallons is 24.07 miles per gallon.
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Answer:
She should mix <u>20 ounces</u> of 16% solution and <u>12 ounces</u> of 8% solution.
Step-by-step explanation:
Given:
Doreen Schmidt needs to prepare 32 ounces of a 13% hydrochloric acid solution.
Now, to find the amount she should mix of 16% solution and of 8% solution.
Let the 16% solution amount be
And let the 8% solution amount be
<em>So, the total ounces of solution:</em>
.......(1)
Now, to solve the equation to get the solution she should mix:
Substituting the value of from equation (1) we get:
Subtracting both sides by 2.56 we get:
Dividing both sides by 0.08 we get:
<em>The 16% solution amount = 20 ounces.</em>
Now, substituting the value of in equation (1) we get:
<em>The 8% solution amount = 12 ounces.</em>
Therefore, she should mix 20 ounces of 16% solution and 12 ounces of 8% solution.