4th grade math word problem >.<?

ankitaxxoxxankitaxxoxx
in Science & Mathematics

There are 35 balloons. After every 5 red balloons, there are 2 yellow balloons. How many Yellow balloons are there? and what would be the equation to figure this out?! o.0

Comments

  • kingofclubsukkingofclubsuk

    In a ratio, add the numbers to find the total items in one set.

    So your balloons are in a ratio of 5:2 That means there are 5+2 = 7 balloons in one set.

    How many sets are there in the total?

    35/7 = 5 sets of balloons

    There are therefore 5 lots of 5 red ballons (25) and 5 lots of 2 yellow balloons (10)

    25 red; 10 yellow

  • dee-wdee-w

    5x + 2x = 35

    7x = 35

    x = 5

    5(5) = 25 red balloons

    2(5) = 10 yellow balloons

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