Answer:
11 17/21
Step-by-step explanation:
Answer:
√72=2⋅3√2.
Step-by-step explanation:
This is your answer I am pretty sure this is correct.
If not please let me know.
If you add that together you get 28
Amount needed=earned+already have
205=earned+30
earned=7 times number of hours=7h
205≤7h+30
we used the less than or equal to because he needs at least 205, means 205 or greater must be earned
205≤7h+30
minus 30 both sides
175≤7h
divide both sides by 7
25≤h
needs to work at least 25 hours