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6) Joy weighed 80 kilograms last month. She is on diet these days and now she is 76 kilograms. What is the percent of change in Joy's weight? 7) Last school year, the Mathematics Club of the school raised p1 800 from a fund-raising activity. This year's collected is P450 more than the previous year. What is the percent of change?

Pls give solution
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Sagot :

SALEMJONATHAN25GO

Answer:

6. 5%

Solution: 100÷80= 1.25

80-76=4 1.25×4= 5

7. 25.2% of money increase

Solution: 100÷1,800=0.56

0.56×450= 25.2

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