Solve each problem. Explain or show your reasoning.

Mathematics

1 answer:

Rufina [12.5K]3 years ago

5 0

1: 40 2: 78 3: 48 4: 26 5: 15 6: 70

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Can u solve this questions.i don't know what to do.

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

average is calculated as

average = $\frac{sum}{count}$

$\frac{sum}{2}$ = 13 ( multiply both sides by 2 )

sum of 2 eldest = 26

Then for the 4 children

average = $\frac{26+2+4}{4}$ = $\frac{32}{4}$ = 8

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2 years ago

The ratio of apples to orgens is 1 to 3

-BARSIC- [3]

Because the ratio is 1 to 3. It means that For every one apple there are 3 oranges. So If there are 2 apples, there would n 6 oranges. If there are twelve apples, there would be 36 oranges. To find the number of oranges for the amount of apples, just multiply the number of apples by 3.

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3 years ago

What number is 30% of 20%

vfiekz [6]

0.06 or you can just put 6.

Basically, you have to multiply 30% x 20.

Glad I could help☺️

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2 years ago

Read 2 more answers

How do I do this problem

Marina86 [1]

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

<span> 5*(x-2)-4*(x+1)-(50)=0 </span>

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