Color Pencil Price per Pencil

2 answers:

5 0

First, add up all the prices.

3.50 + 1.25 + .76 = 5.51

I tested a few numbers and I discovered that Mike bought 37 pencils.

5.51 * 37 = 203.87

lisov135 [29]3 years ago

3 0

What you can do is trial and error. I started going multiplying each price by 10s and when I started multiplying by 30s I got a total of 37 colored pencils

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One side of a triangle is 2 times the second side. The third side is 15 feet longer than the second side. The perimeter of a

ch4aika [34]

Answer:

16, 8, 23

Step-by-step explanation:

2x+x+x+15=47

4x+15=47

4x=32

x=8

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x+15=23

7 0

3 years ago

Reuben is making a replica of the US flag for his school project.

Leno4ka [110]

P1=2.5+2.5+4.75+4.75=14.5 cm

0.5 cm - 1 in
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3 years ago

(N^3 - N^4) - (3n^3- 7n^4)

Free_Kalibri [48]

If you would like to solve (n^3 - n^4) - (3n^3 - 7n^4), you can do this using the following steps:

(n^3 - n^4) - (3n^3 - 7n^4) = <span>n^3 - n^4 - 3n^3 + 7n^4 = n^3 - 3n^3 - n^4 + 7n^4 = -2n^3 + 6n^4
</span>
The correct result would be <span>-2n^3 + 6n^4.</span>

3 0

3 years ago

What is -5/8 times 2/3 equal in fraction form

anastassius [24]

Answer: -5/12

Step-by-step explanation: Before multiplying two fractions together by multiplying across their numerators and multiplying across their denominators, you should always try to cross-cancel as your first step.

So in this problem, the 2 and 8 cross-cancel to 1 and 4.

Also, watch out for your signs. In this problem we have a negative times a positive so we know that our answer will be negative.

Now we can multiply across the numerators and across the denominators.

So we have 5 · 1 which is 5 and 4 · 3 which is 12.

So our answer is -5/12.

Be very careful with your signs!