Rosita earns money by walking dogs after school and on the weekends . she walks madeline every other day ,buddy every forth day , and ernie every third day . today she walked all thee dogs . what day did rosita walk all three dogs?

Explanation:

Madeline is walked every other day means every two days: 2.

Buddy is walked every fourth day: 4.

Ernie is walked every third day: 3.

You need to find the least common multiple (LCM) of 2, 4, 3.

Decompose each number into its prime factors:

The LCM is the product of the common factors and non common factors each raised to its the greatest power:

Then, Rosita will walk all three dogs in 12 days.

y = x + 95

y = 42 + 95

y=137 mm hg

7

step-by-step explanation: