The ratio of red to blue to green marbles in a jar is 4 to 5 to 3. If the jar has 48 marbles, how many marbles are blue?

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?