28.5k views
5 votes
its the day befofe valentines day and shelly needs to get valentine cards for all of her classmates the desks are arranged in a rectangle 7 rows wide and 5 rows long if there are 3 desks that are empty how many students are in the class

User Chaoyu
by
7.8k points

2 Answers

5 votes

Answer:

32 students

Explanation:

7 times 5= 35

35-3=32 students

User David Lemayian
by
7.7k points
3 votes

Answer:

21

Explanation:

(7x2)+(5x2)-3=21

╭━┳━╭━╭━╮╮

┃┈┈┈┣▅╋▅┫┃

┃┈┃┈╰━╰━━━━━━╮

╰┳╯┈┈┈┈┈┈┈┈┈◢▉◣

╲┃┈┈┈┈┈┈┈┈┈┈▉▉▉

╲┃┈┈┈┈┈┈┈┈┈┈◥▉◤

╲┃┈┈┈┈╭━┳━━━━╯

╲┣━━━━━━┫

User Amra
by
7.1k points