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In a consignment of toys, one-fourth of the toys are white and three-f
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08 Jan 2024, 00:05
08 Jan 2024, 00:05
Expert Reply
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Question Stats:
83% (02:28) correct
16% (00:40) wrong based on 6 sessions
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In a consignment of toys, one-fourth of the toys are white and three-fourth of the toys are blue. Half the toys are for boys and half are for girls. If 100 out of a lot of 1,000 toys are white and for boys, how many of the toys are blue and for girls?
(A) 150
(B) 250
(C) 300
(D) 350
(E) 400
(A) 150
(B) 250
(C) 300
(D) 350
(E) 400
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Joined: 11 Nov 2023
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Re: In a consignment of toys, one-fourth of the toys are white and three-f
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19 Jan 2024, 00:33
19 Jan 2024, 00:33
1
A double matrix will be the best bet here.
(# of white toys for boys) + (# of blue toys for boys) = total # of toys for boys
Since half of the 1000 toys are for boys, 500 toys are for boys. 100 of those toys for boys are white, so that leaves 400 toys for boys to be blue.
500 - 100 = 400
(# of blue toys for girls) + (# of blue toys for girls) = total # of blue toys
Since three-fourth of the toys are blue, 750 toys are blue. That leaves 350 blue toys to be for girls.
750 - 400 = 350
Attachment:
File comment: Double Matrix of toys
nuri graphics 500x500 (5).png [ 27.14 KiB | Viewed 390 times ]
nuri graphics 500x500 (5).png [ 27.14 KiB | Viewed 390 times ]
(# of white toys for boys) + (# of blue toys for boys) = total # of toys for boys
Since half of the 1000 toys are for boys, 500 toys are for boys. 100 of those toys for boys are white, so that leaves 400 toys for boys to be blue.
500 - 100 = 400
(# of blue toys for girls) + (# of blue toys for girls) = total # of blue toys
Since three-fourth of the toys are blue, 750 toys are blue. That leaves 350 blue toys to be for girls.
750 - 400 = 350
General Discussion
Re: In a consignment of toys, one-fourth of the toys are white and three-f
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19 Jan 2024, 00:40
19 Jan 2024, 00:40
Expert Reply
Great explanation.
I have exhausted the kudos for you sir at the moment
I have exhausted the kudos for you sir at the moment
