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4 years ago

2 apples cost $20 what would 5 apples cost

Mathematics

2 answers:

balu736 [363]4 years ago

7 0

It would cost $50.

20 / 2 = 10
10 x 5 = 50

tino4ka555 [31]4 years ago

3 0

$\frac{20}{2}$ = 10, so, you would multiply 5 and 10, which gives you 50.
So, 5 apples would cost $50.

Hope this helped :)

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3 years ago

16x-5=5+11x I really dont get these

Iteru [2.4K]

Answer:

x = 2

Step-by-step:

16x - 5 = 5 + 11x

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3 years ago

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4 years ago

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3 years ago

A robot can complete 8 tasks in 3/10 hour. Each task takes the same amount of time. How long does it take the robot to complete

Vsevolod [243]

Answer:

Robot will take $\frac{3}{80}$ hour to complete each task.

The robot can complete $26\frac{2}{3}$ tasks in one hour.

Step-by-step explanation:

We have been given that a robot can complete 8 tasks in 3/10 hour. Each task takes the same amount of time.

To find the time taken by robot to complete each task we will divide total time taken to complete 8 tasks by 8 as:

$\text{Time taken by robot to complete each task}=\frac{3}{10}\div 8$

$\text{Time taken by robot to complete each task}=\frac{3}{10}\div \frac{8}{1}$

Now we will convert division problem into multiplication problem by flipping the 2nd fraction.

$\text{Time taken by robot to complete each task}=\frac{3}{10}\times \frac{1}{8}$

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Therefore, robot will take $\frac{3}{80}$ hour to complete each task.

To find tasks completed by robot in one hour we will use proportions.

$\frac{x}{1\text{ hour}}=\frac{8}{\frac{3}{10}}$

$\frac{x}{1}=\frac{80}{3}$

$x=\frac{80}{3}$

$x=26\frac{2}{3}$

Therefore, the robot can complete $26\frac{2}{3}$ tasks in one hour.

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3 years ago