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1 vote
HURRY PLS OR IMA FAIL-

Sally and Mary are best friends. Their families both went to the beach on June 1

st to

celebrate the start of summer vacation. After that day Sally’s family continues to go to the

beach every 4 days. Mary’s family only goes to the beach every 14 days. On what day will both

girls be back at the beach on the same day?


a. Would you use Greatest Common Factor or Least Common Multiple to help solve

this problem?

User Airy
by
4.1k points

2 Answers

0 votes

Answer:

They would meet on the 28th day; Least common multiple.

Explanation:

User Serafino
by
4.7k points
4 votes

Answer: least common multiple and they meet up on the 28th day.

Step-by-step explanation: Sally's family goes on their 7th trip on the 28th day since 7*4 =28. Mary's family goes on their 2nd trip also on the 28th day since 14 * 2 = 28. 28 is the LCM.

User AeonOfTime
by
5.8k points