Question

6. Nora and Eli are making homemade spring rolls for a party. Nora can make 8 spring rolls in 10 minutes. Eli can make 10 spring rolls in 12 minutes. If they each make 40 spring rolls, who will finish first

Answer 1

1) 10\8=1,25 (during this time, Nora makes 1 spring roll)

2)12\10=1,2 (during this time, Eli makes 1 spring roll)

3) 1,25*40=50 minutes need Nora to make 40 spring rolls

4) 1,2*40=48 minutes need Eli to make 40 spring rolls
50>48

Answer: Nora will finish two minutes before Eli