Eva has some chocolate bars to give to her students in her class. It she gives 3 chocolate bars to each student, she will have 3 chocolate bars left. It she gives 7 chocolate bars to each student, she will need 13 extra chocolate bars.
- How many students does Eva have?
- How many chocolate bars does Eva have?
(a)
Total number of extra chocolate bars
= 3 + 13
= 16
Number of extra chocolate bars for each student
= 7 - 3
= 4
Number of students that Eva has
= 16 ÷ 4
= 4
(b)
Number of chocolate bars that Eva has
= 4 x 3 + 3
= 15
Answer(s): (a) 4; (b) 15