Question
There was an equal number of green and silver beads in a bag at first. After 12 silver beads were taken out and 40 green beads were added into the bag, there was 15 as many silver beads as green beads. Find the number of silver beads in the bag at first.
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There was an equal number of green and silver beads in a bag at first. After 12 silver beads were taken out and 40 green beads were added into the bag, there was 15 as many silver beads as green beads. Find the number of silver beads in the bag at first.