Chad buys peanuts in 2-pound bags. he packages them into bags that that 5/6 pound of peanuts. how many 2-pound bags of peanut should chad buy so that he can fill the 5/6-pound bags without having any peanuts left over?

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!