3 years ago

A machine stamps 360 metal parts in 15 minutes. Find the unit rate in parts per hour.

1 answer:

4 0

In one hour there are 60 minutes. 60min/15min = 4

So all you have to do is multiply 360 * 4 which gives you

1140 parts per hour.

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Paraphin [41]

What is the question

4 0

3 years ago

Samuel bought a jacket for $15 in January. The cost of the jacket increased to $27 in September. What percent of the original pr

Mumz [18]

27/15 = 1.8

1.8 * 100% = 180% (D)

4 0

3 years ago

Read 2 more answers

The sum of one-fifth of a number and two is five

Veseljchak [2.6K]

Answer:

Step-by-step explanation:

Let us first write an equation where the unknown number is represented with variable x. The sum of a fifth of x and two is five:

$\frac{1}{5} x+2=5$

Great! Let's solve for x by isolating the variable.

$\frac{1}{5}x=3\\x=15$

Therefore, the unknown number is 15.

I hope this helps! Let me know if you have any questions :)

3 0

3 years ago

A bet in roulette has a probability of 18/38 of winning. If you win, you double your money. You can bet anywhere from $1 to $100

dalvyx [7]

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6 0

3 years ago

3n + 6n -4 = 2n + 2 + 5n

xxMikexx [17]

Answer:

3n +6n-4=2n+2+5n

9n-4=7n+2

9n-7n=2+4

2n=6

n=6÷2

n=3

7 0

3 years ago