1) bob can type 2 letters in 4 hours while bill can do it in 6 hours. how many hours would it take them to type six letters together? and 2) my brother is 5 years older than me. my sister is 3 years younger than me. how old will my sister be when my brother is 29? pls me with both

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?

A11 gram sample of a substance that’s used to treat thyroid disorders has a k-value of 0.1247

Zoe paid $18.60 in sales tax in tips for her dinner the sales tax rate is 11% and she tipped 20% what was the price of zoe’s dinner before sales tax and tips