In a packet of mixed candies there are two fruit centers for every three caramel centers. there are 30 candies in the packet.
how many caramel centers are there? show how you figure this out. thx

How many $20 bills do you need to have to make $280

Which pair of numbers is relatively prime? a. 105 and 128 b. 130 and 273 c. 205 and 350 d. 273 and 333

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2