Answer:
honestly i think its 2f=9x
Step-by-step explanation:
might not be 2f=9x but make sure to chexk your answer
Answer:
D
Step-by-step explanation:
The probability is 4:20
It is correct because there are 20 students and there could be 4 guesses
Answer:
d
Step-by-step explanation:
i think its d
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