2 years ago

A school has 300 students. If the ratio of boys to girls is 31:44, how many more girls are there in the school?

1 answer:

5 0

Check out the pdf attached to see how to do this problem. It will give you a way of solving all ratio problems. But the final answer 176-124 = 52 there are 52 more girls than boys.

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Need help with this.

givi [52]

Answer:

Step-by-step explanation:

You are supposed to pull out the common factor and put it outside the brackets.

42: 6 * 7

54: 6 * 9

So the answer is

6(9 + 7)

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2 years ago

Which scale factors produce a contraction under a dilation of the original image? Choose TWO Answers.

dem82 [27]

A dilation occurs when the scale is greater than 1 from the center of the dilation. When the scale is less than 1 from the center it is a contraction. Since distance from center can be positive or negative, the contraction will occur with a scale factor of

B. -0.8 and
D. 0.8

7 0

3 years ago

Read 2 more answers

a car reduced its speed in a ratio of 2 to 3 if the final speed was 90 km per hour then what was the original speed.

Licemer1 [7]

Answer:

Orginal Speed is 135

Step-by-step explanation:

The ratio of final speed: original speed is

$\frac{2}{3\\}$