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3 years ago

7

Calvin packs boxes of greeting cards into a larger box. The volume of each box of greeting cards is 90 cubic inches. what is the

approximate volume of the large box?

1 answer:

kaheart [24]3 years ago

4 0

Well if you count there are 24 greeting card boxes and the voulme of each is 90 in^3 so it's 2160 in^3.

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What is 25% of<br> 100?

lbvjy [14]

Answer:

25

Step-by-step explanation:

0.25 x 100 = 25

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1. On her birthday, Shruti bought 2 kg sweets and distributed 1 kg 500 g among her classmates. How much sweets were left with he

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2 years ago

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X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?

Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

$x+y = 152\\8.5x+12y=1656$

From equation 1:

$x = 152-y$

Putting the value of y in equation 2

$8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104$

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

$x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48$

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

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3 years ago

If a number is increased by 20% the result is 24. find the number

marin [14]

Answer:

20

Step-by-step explanation:

x+20%=24
x+x*20/100=24
x+0.2x=24
1.2x=24
x=24/1.2
x=20

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3 years ago