Question
The ratio of Isaac's beads to Natalie's beads at first was 3 : 7. After Isaac gave Natalie 66 beads, the ratio of Isaac's beads to Natalie's beads is 1 : 3. What was the number of beads they had in total?
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The ratio of Isaac's beads to Natalie's beads at first was 3 : 7. After Isaac gave Natalie 66 beads, the ratio of Isaac's beads to Natalie's beads is 1 : 3. What was the number of beads they had in total?