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agasfer [191]
4 years ago
12

The ratio of boys to girls at a school is 12 to 13. If 300 students attend the school, how many are boys?

Mathematics
1 answer:
den301095 [7]4 years ago
4 0

Answer:

144  boys

Step-by-step explanation:

so you would add 12 and 13 and divide it by 300

so 12/300= 12

so= 12*12= 144

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On Monday, it took 5 builders 3 in a half hours to build a wall.
mrs_skeptik [129]

Answer:

£83.70

Step-by-step explanation:

→ First step is to find the amount of hours it takes for one builder

We know it takes 5 builders 3\frac{1}{2} hours so 1 builder would take 5 × 3\frac{1}{2} which is \frac{35}{2} hours so it takes one builder 17.5 hours to builder a wall

→ Now we know how long one work takes we need to find out the time for 2 builders

1 builder = 17.5 hours

2 builders = 17.5 ÷ 2 = 8.75 hours

So 2 builders take 8.75 hours

→ We know that each builder is paid £9.30 for each or part hour they work so

9.30 hourly pay rate × 9 hours work of work = £83.70

Each worker will be paid £83.70

6 0
3 years ago
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Solnce55 [7]

Answer:

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Step-by-step explanation:

7 0
3 years ago
A bag holds 10 blue marbles, 2 white marbles, and 8 red marbles. Without looking into the bag, William selects a marble and then
mixas84 [53]
50% I know I did this before
7 0
4 years ago
Read 2 more answers
I need help with this thank you!
antiseptic1488 [7]

Answer: m<AOB is 60 degrees.

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7 0
3 years ago
6.15 divided by 31 rounded
nikdorinn [45]
It would be (rounded) 5
Because
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Hope this helped

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7 0
3 years ago
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