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Nutka1998 [239]
3 years ago
11

The ratio of boys to girls in Ella's grade is 3 to 4. The ratio of boys to girls in Minh's grade is 4 to 5. Each grade has a tot

al of 20 girls. How many boys are in each grade?​
Mathematics
1 answer:
MariettaO [177]3 years ago
5 0
Ella’s grade has 15 boys whilst Minh’s grade has 16 boys - hope this helps!
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3 years ago
the Millers drove 105 miles on 4 gallons of gas. at this rate, how many miles can they drive on 6 gallons of gas.
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Answer:

157.5 miles with 6 gallons

Step-by-step explanation:

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A license plate consists of 2 letters followed by 3 digits. How many license plates are possible if the 1st digit cannot be 0, a
zloy xaker [14]

There are 608400 plates are possible.

If the first is A, we have 26 possibilities:

AA, AB, AC,AD,AE ...................................... AW, AX, AY, AZ.

If the first is B, we have 26 possibilities:

BA, BB, BC, BD, BE .........................................BW, BX,BY,BZ

And so on for every letter of the alphabet.

There are 26 choices for the first letter and 26 choices for the second letter. The number of different combinations of 2 letters is:

26×26=676

The same applies for the three digits.

There are 9 choices for the first as first digit cannot be 0

10 for the second,

10 for the third

9×10×10=900

So for a license plate which has 2 letters and 3 digits, there are:

676 × 900 = 608400 possibilities

To learn more about calculating possibilities from the given link

brainly.com/question/4658834

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2 years ago
Find the area of the figure. (Sides meet at right angles.)
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Area is 50 m^2
5 x 3 = 15
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2 years ago
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