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Vika [28.1K]
3 years ago
12

A bookstore had 60 copies of a magazine. Yesterday, it sold 1/4 of them. Today, it sold 2/5 of what remained. How many copies do

es the bookstore have left?
Mathematics
1 answer:
KatRina [158]3 years ago
8 0
There would be 29 books left
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Sandy is selling her jewelry at a craft show. She has already sold 50 necklaces and sells 4 per hour (h). Write an equation that
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Answer:

4 divided by 50

Step-by-step explanation:

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Each week, you drive 150 miles. Your car gets 25 miles to the gallon, and gas prices are $3 per gallon. How much gas money will
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Im pretty sure the answer is 18
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Machine M, working alone at its constant rate, produces x widgets every 4 minutes. Machine N, working alone at its constant rate
Harman [31]

Answer:

Yes

Step-by-step explanation:

Given that Machine M, working alone at its constant rate, produces x widgets every 4 minutes. Machine N, working alone at its constant rate, produces y widgets every 5 minutes.

When both machines work for 20 minutes

Machine A would produce = \frac{20}{4} =5 widget and

Machine B would produce = \frac{20}{5} =4 widgets

So we can say that Machine A would produce more widgets than Machine N at that time.

Answer is Yes

8 0
3 years ago
Please someone help me out. I beggggg
bezimeni [28]

Answer:

1.  144  2. 16 3. 1   4. 3x-6  

Step-by-step explanation:

So think of this as a function in a function.  So you work from the inside to the outside.  So for problem 1, we start with f(4)) [you read it "f of 4"] so what is the solution when x = 4, since f(x) means the function of x so f(4) means 'the function of 4' inside f(x).  

Since f(x) = 3x then f(4) = 3(4) [notice how you substitute the 4 everywhere you see a letter x]

so f(4) = 12, now you work the next part h(f(4)) since f(4)=12 then h(12)

So take the h(x) function which is h(x) = x^{2} then h(12) = 12^{2} so h(12) = 144

4 0
3 years ago
What is the point of comparing prices?
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To know which is better to pay.

Step-by-step explanation:

Good Luck

6 0
3 years ago
Read 2 more answers
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