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3 years ago

68.64 is 78% of what

Mathematics

1 answer:

icang [17]3 years ago

6 0

53.5392 is the answer

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What would the answer be for this equation 7x/20 - 5x/12

polet [3.4K]

Answer:

$\frac{1}{15} x$

Step-by-step explanation:

$\frac{7x}{20} - \frac{5x}{12}$

$\frac{3 \times 7x}{3 \times 20} - \frac{5 \times 5x}{5 \times 12}$

$\frac{21x}{60} - \frac{25x}{60}$

$\frac{21x - 25x}{60} = (21 - 25)x = - 4x$

$\frac{ - 4x}{60} = - \frac{ x}{15}$

$\boxed{\green{= \frac{1}{15} x}}$

4 0

2 years ago

Find area and perimeter show your work

yan [13]

Answer:

A= 16

P=16

Step-by-step explanation:

A=h^bxb/ 2

P= side+base+side

8 0

1 year ago

The admission fee at a small fair is $2.00 for children and $4.00 for adults on a certain day 30 people enter the fair and $100

Troyanec [42]

Answer:

20 adults and 10 children

Step-by-step explanation:

We need to find the total amount of adults and children for 30 total people (adults + children) and only 100$ for them. 30 adults is 120$. We need to take off double the amount of money that would bring it to 100$ because the cost for each child is half of an adult. That way, we have 80$ of adults, and when we fill in the rest with children, we get to 100$ total and 30 total people.

5 0

2 years ago

Read 2 more answers

The equation of a line is x + 5y = 12.<br> What is the y-intercept of the line?<br> 2<br> oo<br> 그

raketka [301]

Ambitious

x+5y=12

5y=12-x

y=(12-x)/5

y=12/5-x/5

The intercept is 12/5

4 0