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zubka84 [21]
4 years ago
7

I really need help on this one

Mathematics
1 answer:
antiseptic1488 [7]4 years ago
4 0
I think your answer is qt
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There are 120 students in class 7. it is known that 2 3 out of them like maths, out of which 35 are girls. also, out of total st
Bas_tet [7]

maths questions can be solved using unitary method.

<u>Answer:</u>

(a) The total number of girls in the class are 48

(b) The total number of students that like maths are 80

(c) The total number of boys like maths are 45

<u>Solution:</u>

According to the question, \frac{3}{5} of total students are boys

number of boys = \frac{3}{5} × 120 = 72

Also, According to the question, \frac{2}{3} of total students like maths

number of students = \frac{2}{3} × 120 =80

(a) The total number of girls in the class = total number of students - total number of boys

total number of girls in the class = 120 - 72 = 48

(b) The total number of students that like maths are 80

(c) The total number of boys like maths = total number of students that like maths - total number of girls that like maths

total number of boys like maths = 80 - 35 = 45

What is unitary method?

The unitary approach is a strategy for problem-solving that involves first determining the value of a single unit, then multiplying that value to determine the required value.

know more about similar unitary method numericals

brainly.com/question/17092435

#SPJ4

5 0
2 years ago
Please help me out!!!!!
Musya8 [376]

Answer:

trs= 60

srw= 120

mark me brainliest plz

6 0
3 years ago
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Lilly babysits for $10 per hour. She works for 5 hours. She uses her money to buy a new sweater that cost $20.
Nastasia [14]
She will have 30$ left
4 0
3 years ago
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Solve a system of equation by elimination
maks197457 [2]

Answer:

1: (4,1) x=4 y=1

2: (1,10) x=1 y=10

3: (-25/4,5) x= -25/4 y=5

Step-by-step explanation:

It would be a lot to explain all three so if you really need it just ask

6 0
3 years ago
A can holds 2 liters of paint. How many cans can we fill with 11 liters of paint?
Zanzabum

Answer:

5.5

Step-by-step explanation:

Each can holds 2 liters of paint. There is 11 liters of paint. The question is asking you to figure out how many cans of paint you can fill with 11 liters of paint. We can divide 11 by 2 to get the answer. 11÷2=5.5. The reason this works is because we are dividing the total amount of paint by how much each can will hold. 5.5 can also be written as "five and a half". So, the 11 liters of paint will fill 5.5 cans. Hope this helps!

6 0
3 years ago
Read 2 more answers
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