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Viefleur [7K]
2 years ago
11

M in

Mathematics
1 answer:
klio [65]2 years ago
3 0

Answer:

The copy machine makes 87.5 copies in one minute.

Step-by-step explanation:

Set up an equation to divide 4 into 350. This is because in order to know how many copies is being made in 1 minute, you need to determine the rate of copies per minute.

350 divided by 4 is 87.5.

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A 90 oz. bottle of shampoo is sold for $18.95. What is the price per ounce
Veseljchak [2.6K]

This sets up as a very commonly  used proportion.

90 oz / 18.95 = 1 oz / x             Cross multiply

90 x = 18.95                              Divide by 90

x = 18.95 / 90

x = 0.21 dollars or 21 cents.

So each ounce of shampoo costs 0.21 dollars or 21 cents.

This is a very handy way to check best deals. Stores have trained us for years to believe that the more we buy of a brand, the better the price. It isn't always true. Sometimes buying the  smaller quantity is the better deal. There is only one way to be sure and that's to do a proportion like this one.

Try this is an example. The same company makes a smaller container of shampoo of 45 oz for 9.15. How much is 1 oz and which is the better deal? You should get 0.20333 dollars so this is marginally (just) the better deal.

4 0
3 years ago
If the diagonal of a square is 11.3 meters, approximidley<br> what is the perimeter of the square?
Andrei [34K]

Answer:

About 9.6 meters

Step-by-step explanation:

Refer to attachment

8 0
2 years ago
I need help with this one
Reika [66]

Answer:

look it up

Step-by-step explanation:

8 0
3 years ago
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What is 7 devided by 215 and the reminder of it​
miss Akunina [59]

30 with the remainder of 714

6 0
3 years ago
A truck can travel 210 miles in the same time it takes a car to travel 350 miles. If the trucks rate is 20 miles per hour slower
Levart [38]

Answer:

21 mph

Step-by-step explanation:

3 0
3 years ago
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