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mr Goodwill [35]
2 years ago
11

A school website says the ratio of boys to girls is 3:5. If there are 240 boys at the school how many girls are there

Mathematics
1 answer:
Paraphin [41]2 years ago
4 0
3/5 = 240/x
Cross multiply to get 3x=1200
Divide both sides by 3
Answer : 400
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You can find this by dividing 43617 by 100 and rounding down to the nearest whole number (note: with this method, you have to round down).

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7 0
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What divide by what equals 0.0505........​
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3 years ago
An expression is shown.
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(2x - 3) + [ 4x(3x + 2)]

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7 0
2 years ago
The factor tree for 1,764 is shown.
Rashid [163]

Answer:

42

Step-by-step explanation:

               |--------------1764------------|

               |                                      |

              2                           |-------882-----------|

                                           |                            |

                                          2               |--------441------|

                                                           |                      |

                                                   |------9-----|        |----49---|

                                                   |               |        |             |

                                                  3              3      7            7

From the factor tree we see that

1764 = 2^2 \times 3^3 \times 7^2

Now we need to find the square root of 1764.

\sqrt{1764} = \sqrt{2^2 \times 3^2 \times 7^2} = \sqrt{(2 \times 3 \times 7)^2} = \sqrt{(42)^2} = 42

4 0
3 years ago
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