Question

Kendra has a math test every 12 school days and vocabulary test every 9 school days. She had both a math test and a vocabulary test today. The next time she will have both tests on the same day will be in _ days.

Answer 1

Answer:

36 days

Step-by-step explanation:

for these type of questions, its advisable to find L.C.M and solve it.

L.C.M of 12 and 9 is 36.

so the next time she will have both test on the same day will be in 36 days.