3/20 is the answer to your question.
T=number of hours she tutors.
r=number of hours she works a receptionist.
Tori is only able to work up to 20 hours per week.
t+r≤20
She tutors for $30 per hour and works as a receptionist for $10 per hour. She must earn at least $200 per week.
30t+10r≥200
Answer: t+r less than or equal to 20; 30t+10r greater than or queal to 200.
t+r≤20
30t+10r≥200
False because they are actually not the same thing
Probability(both marbles are red) = 5/12 * 4/11 = 20/132
= 5/33 Answer
Deposit mean add 50, then withdraw means taking out 20, you do subtraction: $50-$20=$30
