sally5
Answered

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There are 45 students in Lisa's class. 35 of the students are boys and rest are girls.

How many boys in Lisa's class?
__________________
How many girls in Lisa's class?
_________________

Sagot :

eternal3fear
*edited*
3/5 of the students are boys

"of" means multiplication

45 times 3/5 = 27
so there are 27 boys

the rest are girls
45 - 27 = 18
so there are 18 girls
apologiabiology
45 total means
45=boys+girls

if 3/5 are boys then
3/5 area boys
3/5 of 45=boys
'of' can be translated as multiply for fractions
3/5 times 45=135/5=27
27 are boys

45=b+g
b=27
subsitute
45=27+g
subtract 27 from both sides
18=g
18 girls

 
27 boys
18 girls
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