Question

1. A boy must take a red tablet every 20 minutes and a blue tablet every

Answer 1

Answer:

2:20 pm

Step-by-step explanation:

the least common multiple for 20 and 35 is 140

and 140 = 2 hours and 20 minutes

so the next time for him to take the pills in 2:20 pm

hope that helps

Answer 2

Answer:

2:20

Step-by-step explanation:

This question can be answered by finding the lowest common multiple of 20 and 35, which is 140 minutes and adding this onto 12pm, or by starting at 12pm and going up in 20 minutes and 35 minutes until a matching time of 2:20pm is found.