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Anna007 [38]
3 years ago
6

For the school play 40 rows of chairs are split up there are 22 chairs in each row how ma for the school play for the rows of ch

airs are split up there or 22 chairs in each row how many chairs are there in all
Mathematics
1 answer:
Makovka662 [10]3 years ago
6 0

Answer: There are 880 chairs in all.

Step-by-step explanation:

Number of rows of chairs = 40

Number of chairs in each row = 22

For total number of chairs we must do the product of number of rows of  chairs and number of chairs in each row.

Total number of chairs is given by

22\times 40=880

So, there are 880 chairs in all .


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92.4 is 150% of what number?
Ad libitum [116K]
1. We assume, that the number 92.4 is 100% - because it's the output value of the task. 
<span>2. We assume, that x is the value we are looking for. </span>
<span>3. If 92.4 is 100%, so we can write it down as 92.4=100%. </span>
<span>4. We know, that x is 150% of the output value, so we can write it down as x=150%. </span>
5. Now we have two simple equations:
1) 92.4=100%
2) x=150%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
92.4/x=100%/150%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 150% of 92.4

92.4/x=100/150
<span>(92.4/x)*x=(100/150)*x       - </span>we multiply both sides of the equation by x
<span>92.4=0.666666666667*x       - </span>we divide both sides of the equation by (0.666666666667) to get x
<span>92.4/0.666666666667=x </span>
<span>138.6=x </span>
x=138.6

<span>now we have: </span>
<span>150% of 92.4=138.6</span>
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