Ineed the answer soon, ill give brainliest

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph

Will give a: 122 b: 90 c: 48 d: 180