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1. At first street elementary school, about 21% of the 645 students ride bicycles to school. About how many students ride bicycles to school? 2. A team of biologists captured and tagged 50 deer in a forest. Two weeks later, the biologists captured a sample of 20 deer from the same forest, and found that 5 of them were tagged. How many deer would they estimate are in the forest.

Sagot :

1 Given that about 21% of the 645 students ride bicycles to school

The number of students that ride bicycles to school

= 21% * 645

= 21/100 * 645

= 135.45

Hence about 135 students ride bicycles to school.