Step-by-step explanation:
n(A) is the number of elements is A, sometimes written |A|. I count 7. n(A)=7
13 is among the elements of A, so 13 ∈ A is TRUE
26 is among the elements of A, so 26 ∉ A is FALSE
10 isn't in A, so 10 ∉ A is TRUE
PLS MARK BRAINLEST
Answer: $21.25
Step-by-step explanation:
0.85 x 25
Yolanda will sew 54 buttons in 3 days.
If she sews 3 sweaters a day then, by the end of each day she will have 18. After three days she will have 54.
hope this helps and have an awesome day !