2 years ago

Gary drank

Mathematics

1 answer:

Scrat [10]2 years ago

6 0

Answer:

1 7/15

Step-by-step explanation:

4/5 = 12/15

2/3 = 10/15

12/15 + 10/15 = 22/15 or 1 7/15

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Roberto finished 2/3 of the race in 4 hours. How long is the entire race?

Tcecarenko [31]

Answer:

6 hours

Step-by-step explanation:

because it took 4 hours to do 2/3 meaning that in one hour it took 2 hours so due to 3/3 being done at 2 hours a piece puts it at 6 hours

6 0

2 years ago

Read 2 more answers

Solve the equation 3/4x+3-2x = -1/4+1/2x+5

elena55 [62]

Hi there! The answer is x = -1

Let's solve this equation step by step!
$\frac{3}{4} x + 3 - 2x = - \frac{1}{4} + \frac{1}{2} x + 5$

First collect terms.
$- 1 \frac{1}{4} x + 3 = \frac{1}{2} x + 4 \frac{3}{4}$

Subtract (1/2)x from both sides.
$- 1\frac{3}{4} x + 3 = 4 \frac{3}{4}$

Subtract 3 from both sides.
$- 1\frac{3}{4} x = 1 \frac{3}{4}$

And finally divide by -1 3/4
$x = \frac{7}{4} \div - \frac{7}{4} = \frac{7}{4} \times - \frac{4}{7} = - \frac{28}{28} = - 1$