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asambeis [7]
3 years ago
12

1/2 + 4 5/8 please help

Mathematics
2 answers:
weqwewe [10]3 years ago
8 0

Answer:

5 \frac{1}{8}

Step-by-step explanation:

Remember that \frac{1}{2} = \frac{4}{8}, so we want to find \frac{4}{8} + 4 + \frac{5}{8} = 4 + \frac{9}{8}. However, this is not in it's simplest form because \frac{9}{8} should be 1 \frac{1}{8}. Therefore, the final answer is 4+1+\frac{1}{8} = 5 \frac{1}{8}.

Cloud [144]3 years ago
8 0

Answer:

5 1/8 correct answer to question

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2 years ago
What is the range for 25,25,21,28,37,26
lina2011 [118]

Answer:

16 is the range

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2 years ago
Can anyone help me on this problem? Please it doesn’t make sense to me...
Sav [38]

Answer:

6

Step-by-step explanation:

Cost per item is found by dividing the cost by the number of items. If the woman bought n items for $120, the cost of each item is $120/n. If the woman bought 24 more items, n+24, at the same price, then the cost per item is $120/(n+24). The problem statement tells us this last cost is $16 less than the first cost:

120/(n+24) = (120/n) -16

Multiplying by n(n+24) gives ...

120n = 120(n+24) -16(n)(n+24)

0 = 120·24 -16n^2 -16·24n . . . . . . subtract 120n and collect terms

n^2 +24n -180 = 0 . . . . . . . . . . . . . divide by -16 to make the numbers smaller

(n +30)(n -6) = 0 . . . . . . . . . . . . . . factor the quadratic

The solutions to this are the values of n that make the factors zero: n = -30, n = 6. The negative value of n has no meaning in this context, so n=6 is the solution to the equation.

The woman bought 6 items.

_____

Check

When the woman bought 6 items for $120, she paid $120/6 = $20 for each of them. If she bought 6+24 = 30 items for the same money, she would pay $120/30 = $4 for each item. That amount, $4, is $16 less than the $20 she paid for each item.

3 0
3 years ago
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