7+16y=;1/4 solution or no solution?

Is it true that product of 3 consecutive natural numbers is always divisible by 6? justifyyour answer

10% of 1,900,000. show me how you got the answer

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?