Khen3idn
Answered

Makakuha ng kaugnay na sagot sa lahat ng iyong katanungan sa IDNStudy.com. Magtanong ng anumang bagay at makatanggap ng kumpleto at eksaktong sagot mula sa aming komunidad ng mga propesyonal.

How many 2-digit numbers that is divisible by 5?

Sagot :

[tex]There\ are\ 18\ two-digit\ number... \\ \\ If\ you\ want\ to\ question\ me\ why\ I\ derive\ to\ that\ answer... \\ (Then,here's\ the\ secret!!! :) \\ \\ 5 \times\underline{10}\to\boxed{50} \\ \\ Well,let's\ try\ this... \\ \\ 5 \times\underline{20}\to\boxed{100} \\ \\ Thus,\underline{100}\ is\ not\ a\ \underline{two-digit\ number}? \\ \\ Let's\ try\ this\ one... \\ \\ 5\times\underline{19}\to\boxed{95} \\ \\ Therefore,there\ are\ \boxed{\boxed{18\ two-digit\ numbers\ that\ is\ divisible\ by\ 5}}[/tex]
2 digit numbers divisible by 5:
10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95

The answer is 18. Hope this helps