Rachel and Sam stopped at the donut shop before work. Rachel bought a protein smoothie and 2 boxes of donut holes for 11.65. Sam bought 2 protein shakes and a box of donut holes for 10.55$.

step-by-step explanation:

46

step-by-step explanation:

given

height = 168 cm

formula

height =2.47*f+54.13

solution

168 = 2.47f + 54.13             subtract 54.13 from both sides

168 - 54.13   = 2.47f             combine

113.87 = 2.47f                     divide by 2.47

113.87 / 2.47 = f                   combine

46.1 = f  

answer: 46 cm

is the anwser b. (-13)?

it is 32.5

i hope i could u.