Question

Penelope is selling cookies for Girl Scouts. If she sells at least $45, she will earn a charm for her bracelet.

a) Write an inequality describing how much she should sell to earn the bracelet.

b) Write an equality describing how much she sells if she doesn't earn the bracelet. ​

Answer 1

b)
`\displaystyle s < 45`

a)
`\displaystyle s ≥ 45`

Explanation:

All you need to know is that the keyword at least means "exact amount or above".

I am joyous to assist you anytime.

Answer 2

a) s ≥ 45

b) s < 45

Explanation:

If s is used to represent Penelope's sales, then ...

for s ≥ 45 . . . she earns a bracelet

for s < 45 . . . she doesn't earn the bracelet