Ann has Math lessons every second day and Spanish lessons every seventh day. If she has a Math lesson and a Spanish lesson today, then after how many days will she once again have both Math and Spanish lessons?
Answers
Answered by
1
Given : Ann has Math lessons every second day and Spanish lessons every seventh day. If she has a Math lesson and a Spanish lesson today,
To find : after how many days will she once again have both Math and Spanish lessons?
Solution:
Ann has Math lessons every second day
Spanish lessons every seventh day.
To find after how many days she once again have both Math and Spanish lessons
we need to find LCM of 2 & 7
LCM = 2 * 7 = 14 as 2 & 7 are prime numbers
on 14th day she once again have both Math and Spanish lessons
Learn More:
find the lcm of 90 and 120 - Brainly.in
https://brainly.in/question/7842410
Explain step by step - Brainly.in
https://brainly.in/question/13119416
Similar questions