this could take a while to think about but uhh i dont know,
<span>❅b. compound
Compound is a substance that is made of atoms of more then on type bound together. </span><span />
What i did was add 40 to 120 to get 160. then i devided 160 by the 6.25 she got per hour and i got 25.6 and rounded to 26 which would end up being the least amount of hours she could’ve worked. so 26 is the answer i’m pretty sure