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garik1379 [7]
3 years ago
6

Bert has three times as much money as Ernie. If Ernie spends $6 on a new rubber ducky, then Bert will have five times as much mo

ney as Ernie. How much money does Bert have?
Mathematics
1 answer:
fomenos3 years ago
5 0

Answer:

Bert has $45.

Step-by-step explanation:

I have no real strategy, except for that I used guess and check. How did I do this? Well, since I am in 5th Grade, I don't know algebra very well, so I made an organized chart and checked all the numbers that had to be a multiple and  could be divided equally by 5, 3 and when a third of that number was subtracted by 6, it was a fifth of the orginal number. Thats how I got 45.

Checking this answer:

It is always important to check your answer after finishing the problem, so this is how I checked my answer:

1. 45 divided by 3 = 15

2. 15 - 6 = 9, and 9 is 1/5 of 45

Bert has $45.

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inna [77]

\qquad\qquad\huge\underline{\boxed{\sf Answer☂}}

let's simplify ~

\qquad \sf  \dashrightarrow \:  \sqrt{5} (10 - 4 \sqrt{2} )

\qquad \sf  \dashrightarrow \: ( \sqrt{5}  \times 10) - ( \sqrt{5}  \times  4\sqrt{2)}

\qquad \sf  \dashrightarrow \: 10 \sqrt{5}  -  4\sqrt{10}

3 0
1 year ago
I don't understand it at alll someone please give me the answer
goldenfox [79]
I hope this helps you

7 0
3 years ago
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Just a bunch of easy ones
Scilla [17]

Answer:

1. 5lb bag is cheaper

2. 6 mpm (minutes per miles)

3. Brycen

4. 18 mpm faster

5. 32 total shapes

6. 75

7. not enough info

8. 50 miles

9. 2

10. 2

Step-by-step explanation:

3lb=$3.54=1lb=$1.18

5lb=$5.85=1lb=$0.85

12 minutes/2 miles=6 mpm

24 minutes/1 mile=24 mpm

24-6=18 mpm faster

25% of 100= 4

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60% of 80= 75

process of elimination:

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Illusion [34]
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5 0
3 years ago
OBO QBODO 100
leva [86]

Answer:

Inverse variation k=4

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent an inverse variation if it can be expressed in the form y*x=k or y=k/x

In this problem

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Because

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if x decreases ----> y increases

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For x=2, y=2 -----> see the graph

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substitute

k=2*2=4

3 0
2 years ago
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