The corresponding angles and sides are congruent.
r · 7 ≤ 21 [r multiplied by 7 is less than or equal to 21]
7r ≤ 21
[If you wanted to solve it]
7r ≤ 21 Divide 7 on both sides to get "r" by itself

r ≤ 3
Answer:
Janet makes 9 dollars per hour which is more that Giovanna makes.
Step-by-step explanation:
Its very simple
All you have to do is divide like Giovanna make 42 dollars every 6 hours
42/6=7
Also for Janet she makes 54 dollars every 6 hours
54/6=9
5(x+2) is your answer my friend.