Page 129 - NUMINO Challenge_D2
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Creative Thinking
1 The number of people in village A increased by 20%, and the number
of people in village B decreased by 10%. After the change, the number
of people in each village became the same. Before the change, what
percent (%) of the people in village B lived in village A?
2 Lisa’s dad, who runs a computer store, sold two computers for $750
each yesterday. While he made 50% profit by selling the first computer,
he made 50% loss by selling the second computer. Did Lisa’s dad make
a profit or loss by selling the two computers?
126 NUMINO Challenge D2
1 The number of people in village A increased by 20%, and the number
of people in village B decreased by 10%. After the change, the number
of people in each village became the same. Before the change, what
percent (%) of the people in village B lived in village A?
2 Lisa’s dad, who runs a computer store, sold two computers for $750
each yesterday. While he made 50% profit by selling the first computer,
he made 50% loss by selling the second computer. Did Lisa’s dad make
a profit or loss by selling the two computers?
126 NUMINO Challenge D2
