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mixer [17]
3 years ago
8

Roselyn wants to drive her car at a speed of 60 miles per hour for 1.25 hours. Her car has a fuel efficiency of 15 miles per gal

lon.
How many gallons of fuel does Roselyn need for her journey?
Mathematics
1 answer:
EleoNora [17]3 years ago
3 0

Hence, there is 5 gallons of fuel Roselyn needed for her journey.

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Two friends are collecting cards. Frank has 7 more than half the number of cards as his friend. Together they have 42 cards. How
Naddika [18.5K]

Answer:

The number of cards Frank has is 18 and the number of cards his friend has is 24.

Step-by-step explanation:

<u><em>The correct question is </em></u>

Two friends are collecting cards. Frank has 6 more than half the number of cards as his friend. Together they have 42 cards. How many cards does each friend have?

Let

x ----> the number of cards that Frank has

y ----> the number of cards that his friend has

we know that

Together they have 42 cards

x+y=42 ----> equation A

Frank has 6 more than half the number of cards as his friend

x=\frac{y}{2} +6 ---> equation B

Solve the system by substitution    

Substitute equation B in equation A

\frac{y}{2} +6+y=42

solve for y

\frac{3}{2}y=42-6\\\\\frac{3}{2}y=36\\\\y=36(2)/3=24

<em>Find the value of x</em>

x=\frac{24}{2} +6=18

therefore

The number of cards Frank has is 18 and the number of cards his friend has is 24.

7 0
3 years ago
When 8 is added to a certain number and the
Mars2501 [29]

Answer:

11

Step-by-step explanation:

11+8=19

19x3=57

7 0
3 years ago
Which equation shows a correct strategy and product for the expression shown? 0.6x0.9 ​
12345 [234]

Answer:

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Step-by-step explanation:

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2 years ago
Are the ratios 3:6 and 1:2 equivalent?
aalyn [17]

Answer:

yes these are equivalent bcz

3/6=1/2

Step-by-step explanation:

PlZ make me brainliest

3 0
3 years ago
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