Answer:
25 boxes.
Step-by-step explanation:
We have the inequality:
190 + 60x ≤ 1740 where x = the number of boxes of books.
60x ≤ 1740 - 190
60x ≤ 1550
x ≤ 25.83.
223
-119
104
In stead of doing 3-9 and 2-1 do 23-19 then 2-1
I think that's what your looking for
In 9 hours
john earns $67.5
becky earns $74.25
becky earns $6.75 more than john