6 Name Date Lercent Increase and Decrease 5-1 Practice and Problem Solving: A/B

Question

6 Name Date Lercent Increase and Decrease 5-1 Practice and Problem Solving: A/B Find each percent increase. Round to the nearest percent. 1. From 24 teachers to 30 teachers PC amaunt ofchenge ors.nutevnou os Pe-6 5. From 42 acres to 72 acres Find each percent decrease. Round to the nearest percent. 7. From 20 miles to 11 miles 11. From 90 apples to 75 apples Given the original amount and the percent of change, find the new amount. 13, $25; 300% increase 14, 160 bananas, 20% decrease . Solve. 19. Last year, there were 380 students at Woodland Middle School. This year, the student population will increase by 5%. What will be the school's increased student population? 21. In August, the Simons, water bill was $48. In September, it was 15% lower. What was the Simons' water bill in September?

Explanation / Answer

Solution1:

%increase=increase/original*100

=(30-24)/24*100

=6/24*100

=25

incraese=25%

SOLUTION5:

% increase=increase/original*100

=((72-42)42*)100

=30/42*100

=3000/42

=71.43%

incraese of 71.43%

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