Aclothing factory uses 1,275.2 meters of clothes a week to make shirts. how much cloth is needed to make 3 3/5 times many shirts?

4,590.72 m

Given:

A clothing factory uses 1,275.2 meters of clothes a week to make shirts.

Question:

How much cloth is needed to make 3³/₅ times many shirts?

The Process:

Let us prepare a model for the use of clothes a week to make shirts.

Let us do multiplication on a fraction at first.

Then we make a model for how much cloth is needed to make 3³/₅ (three and three fifths) times many shirts. Recall that

Finally, let us calculate how much cloth is needed to make 3³/₅ times many shirts.

Keywords: a clothing factory, uses 1,275.2 meters, clothes, a week, to make shirts, how much, cloth is needed, to make 3 3/5 times, parts, model, multiplication, fraction

option 1 is correct.

step-by-step explanation:

y varies inversely with x and constant of variation is 4

the equation will be:

y = k/x

where k =4 so,

y = 4/x

if we put values of x of option 1 in the above equation and find values of y

y = 4/-2 => y =-2

y = 4/-1 => y = -4

y = 4/1 => y = 4

y = 4/2 => y =2

so, all the values of x and y are correct.

if we put values of x given in other options and find value of y we cannot find whole table satisfying the equation.

hence option 1 is correct.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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