3 years ago

If 55% of the students in a school are boys and number of girls is 900. Find the number of boys.

Mathematics

2 answers:

Reil [10]3 years ago

7 0

Answer: 1100 boys

Step-by-step explanation:

45% students are girls

45% girls in number = 900

1% be = 900x45= 20

55% students are boys

55% boys in number= 55x20= 1100 boys

Masteriza [31]3 years ago

7 0

Answer:

1100

Step-by-step explanation:

The whole school population is represented by 100%, thus

number of girls = 100% - 55 = 45% of population

divide 900 by 45 to find 1% then multiply by 55 to find number of boys

number of boys = $\frac{900}{45}$ × 55 = 1100

You might be interested in

Evaluat the expression 202-[2(3+7)+6]=<br>

valina [46]

You need to start calculating from the innermost bracket and if there are no signs to do any operation then you need to multiply

6 0

3 years ago

A peregrine falcon can fly 322 kilometers per hour how many meters per hour can the falcon fly

irga5000 [103]

322,000 meters per hour.

4 0

3 years ago

F/4 + 16 < 49<br> Solve the inequality

Mnenie [13.5K]

Answer:

$f$ < $132$

Step-by-step explanation:

$Greetings!$

$I'm~Isabelle~Williams~and~I~will~be~answering~your~question!$

$Subtract~16~from~both~sides:$

$\frac{f}{4} +16-16$ < $49-16$

$Simplify:$

$\frac{f}{4}$ < $33$

$Now,~multiply~both~sides~by~4:$

$\frac{4f}{4}$ < $33\times4$

$f$ < $132$

$Hope~my~answer~helps!~Have~a~great~day~ahead!$

$-Isabelle~Williams$

5 0

3 years ago

Pls help i want it now

larisa86 [58]

Answer:

18kg is the correct answer

5 0

2 years ago

How many solutions does this system have?

Sunny_sXe [5.5K]

Answer:

there is one solution in my opinion

Step-by-step explanation:

3 0

3 years ago