MATHEMATICS MIDDLE SCHOOL

car traveled at an average speed of 80 miles per hour for 3 hours and consumed fuel at a rate of 34 miles per gallon. Approximately how many gallons of fuel did the car use for the entire 3-hour trip?

Answers

Answer 1
Answer: To find the answer, times 80 by 3 (240 miles). Then, 34 times 7 = 238, which means you would end up with a mixed number (238 2/34.) Hope this helps :)

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COLLEGE

The sum of two numbers that are at the ratio of 5:7 is 372. Find these numbers.

Answers

The given numbers are in the ratio . Let the numbers be and , where is a real number.

The sum of the numbers is .

Solve for x,

.

Therefore, the numbers are,

or the numbers are .


X/y= 5/7

x+y=372

x=5/7y

5/7y+y=372


12/7y=372

y = 372(7/12)= 217


x= 155
MIDDLE SCHOOL

what's the answer

Answers

Answer:

No solution

Step-by-step explanation:

Because the absolute value of each number is non negative

|a| ≥ 0 for all real numbers

MIDDLE SCHOOL

You pay $6 in tax on a $30 purchase. What is the tax percent.

Answers

Answer:

20%

Step-by-step explanation:

HIGH SCHOOL

A percent is a fraction whose denominator is 100
1.sometimes
2.always
3. never

Answers

2. always

Percents tell us how many parts a certain thing has out of a total of 100 parts; thus, the denominator is always 100.
2 always because percentages are always considered a number over 100
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