the musculoskeletal system contains the body's bones and muscles why do humans need bones and muscles to for movement

maintain the body’s position and to produce controlled, precise movements.

Explanation: The skeletal system includes the bones of the skeleton and the cartilages, ligaments, and other connective tissue that stabilize or connect the bones.

the amount of the purse is, $120.

tax rate =9%

first find the the total tax she paid on the amount is equal to the 9% of $120 i.e,

now,

total amount paid by shalika = $120 +$10.8 = $130.8