4-06 Cool Down

Last updated about 2 years ago
6 questions
1

4C🌶️
The number of fish in a lake decreased by 25% between last year (l)
and this year (t).

This year's number of fish is what percent of last year's number of fish?

If you get stuck, consider drawing a diagram.

1

4BPercents🌶️
The number of fish in a lake decreased by 25% between last year (l)
and this year (t).

Write a simplified equation to model this situation. (Use exact decimals or fractions.)

If you get stuck, consider drawing a diagram.

1

4C🌶️🌶️
The number of fish in a lake decreased by 25% between last year and this year. Last year there were 60 fish in the lake. What is the population this year?

1

4C🌶️
The number of students in the classroom increased by 40% between February (f) and May (m).

The number of students in May is what percent of the number of students in February?

1

4BPercents🌶️
The number of students in the classroom increased by 40% between February (f) and May (m).

Write a simplified equation to model this situation. (Use exact decimals or fractions)

If you get stuck, consider drawing a diagram.

1

4C🌶️🌶️
The number of students in the classroom increased by 40% between February and May. In February there were 15 students in the classroom. How many were there in May?