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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 5: 240 marbles were shared between some boys and 3 girls. The number of marbles that the girls had was 3/8 of the total number of marbles.

Tháng Một 18, 2023 Toán học 1 Comment 0 views

Toán Lớp 5: 240 marbles were shared between some boys and 3 girls. The number of marbles that the
girls had was 3/8 of the total number of marbles.
(a) Find the number of marbles each girl had.
(b) If each boy had 25 marbles, how many boys were there?

Comments ( 1 )

  1. mocmien87
    mocmien87
    18 Tháng Một, 2023 at 8:55 chiều
    Reply
    Answer:
    a)30 ${marble}$
    b)6 boys
    Explanation of the steps:
    Title translation:
    240 marbles were shared between some boys and 3 girls. The number of marbles The girls have 3/8 of the total number of marbles.
    (a) Find the number of marbles each girl has.
    (b) If each boy has 25 marbles, how many boys are there?
    The number of marbles the 3 girls have is:
    240× 3/8= 90 (marble)
    The number of marbles each girl has is:
    90:3=30(marble)
    The number of marbles the boy has is:
    240-90=150(marble)
    The number of boys is:
    150:25=6(boy)
    Answer: a)30 marbles
    b)6 boys

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222-9+11+12:2*14+14 = ? ( )

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